An experiment is a question which science poses to Nature and a measurement is the recording of Nature’s answer.

The main facts in science are five: time, space, motion, light and gravity.

The whole value of solitude depends upon oneself; it may be a sanctuary or a prison, a haven of repose or a place of punishment, a heaven or a hell, as we ourselves make it.

Rocket Fever Grips Nation’s Teenagers’ cheers on enthusiastic newsreel, reflecting the nation’s sudden reversal in attitude following the successful launch of Explorer-I into Earth orbit. Rather than being strange and threatening, outer space looks set...

I look myself in the mirror and see what I am inside. In a glimpse, I find the perfection in the imperfect evidence of the former existence.”Katia M. S.

Words are more dangerous than swords and guns. They reach further and hurt deeper.

For me, I am driven by two main philosophies: know more today about the world than I knew yesterday and lessen the suffering of others. You’d be surprised how far that gets you.

One of the biggest problems with the world today is that we have large groups of people who will accept whatever they hear on the grapevine, just because it suits their worldview—not because it is...

I prefer for ‘my world’ to have the highest certification of being a faithful representation of the exterior world.

Whereas Nature does not admit of more than three dimensions … it may justly seem very improper to talk of a solid … drawn into a fourth, fifth, sixth, or further dimension.

{Yogananda on the death of his dear friend, the eminent 20th century scientist, Luther Burbank}His heart was fathomlessly deep, long acquainted with humility, patience, sacrifice. His little home amid the roses was austerely simple; he...

Beneath the violet pillar, in the vacuum before the roar of the cloud, there came a soft sound that might have been heard by those who listened closely: the gentle sigh of an idea unbound.

We know that energy can not be created nor destroyed but can be changed in it’s form. If it can not be formed then it can not exist. We may not exist.

How would it alter Juliet’s love perception to learn the sea is but a rounded jug of water? Would her sensuous analogy turned simple simile unveil to her the limits of herself? Or would she...

All things are poison and nothing is without poison, only the dose permits something not to be poisonous.

The most satisfactory definition of man from the scientific point of view is probably Man the Tool-maker.

We have artists with no scientific knowledge and scientists with noartistic knowledge and both with no spiritual sense of gravity at all,and the result is not just bad, it is ghastly.

The doctrine of a soul that outlives the body is anything but righteous, because it necessarily devalues the lives we live on this earth.

Science discovered long ago that carbon is a source of life. The ashes of my faith have prepared the ground for the planting of seeds that have produced new forms of truth, morality and meaning...

If there is no point in the universe that we discover by the methods of science, there is a point that we can give the universe by the way we live, by loving each other,...

The condition of our soul is usually the source of many sicknesses.

To establish evolutionary interrelatedness invariably requires exhibiting similarities between organisms. Within Darwinism, there’s only one way to connect such similarities, and that’s through descent with modification driven by the Darwinian mechanism. But within a design-theoretic...

The philosopher seeks a generality beyond the boundaries of science; he attempts to frame a comprehensive and coherent framework of ideas within which the partial results of science may become more intelligible.

It wasn’t long after the discovery of modern anesthesia that people began to die of it.

The most beautiful experience we can have is the mysterious. It is the fundamental emotion that stands at the cradle of true art and true science.

For scholars and laymen alike it is not philosophy but active experience in mathematics itself that can alone answer the question: What is mathematics?

Matter tells space how to curve, space tells matter how to move.

My main reason for scepticism about the Huxley/Sagan theory is that the human brain is demonstrably eager to see faces in random patterns, as we know from scientific evidence, on top of the numerous legends...

For me Humanity > Country > Family > Friends > (Religion = Science). Sorry if I disappointed you, but this is what I was and I will follow my whole life.

The essential quality that an entity needs, if it is to become an effective gene vehicle, is this. It must have an impartial exit channel into the future, for all the genes inside it. This...

The study of mathematics is apt to commence in disappointment… We are told that by its aid the stars are weighed and the billions of molecules in a drop of water are counted. Yet, like...

I simply would not accede to being forced into this, and would frequently be kept out of classes because of irreverent comments and mocking this religious stuff. Frankly, it stayed with me to this day....

In terms of adaptability, humans are pretty amazingly useless.

We are built to be effective animals, not happy ones.

One has a greater sense of intellectual degradation after an interview with a doctor than from any human experience.

Science is a lie in day-light, with a lot witnesses. Religion is a truth in darkness, without any need for such witness!

You are a placebo responder. Your body plays tricks on your mind. You cannot be trusted.

Skepticism is the agent of reason against organized irrationalism–and is therefore one of the keys to human social and civic decency.

All what we think and know is an illusion. Nothing exists. Everything is an opinion.

By far the most important consequence of the conceptual revolution brought about in physics by relativity and quantum theory lies not in such details as that meter sticks shorten when they move or that simultaneous...

There is also hope that even in these days of increasing specialization there is a unity in the human experience.

Coelorum perrupit claustra.He broke through the barriers of the skies.[Herschel’s epitaph]

The European talks of progress because by the aid of a few scientific discoveries he has established a society which has mistaken comfort for civilisation.

Life on Earth is not the result of a series of miracles performed by a supernatural god-creator, and it is definitely not a product of matter having a mind of its own, of an equally...

The determination of the average man is not merely a matter of speculative curiosity; it may be of the most important service to the science of man and the social system. It ought necessarily to...

Science seeks the truth. And it does not discriminate. For better or worse it finds things out. Science is humble. It knows what it knows and it knows what it doesn’t know. It bases its...

A grain in the balance will determine which individual shall live and which shall die – which variety or species shall increase in number, and which shall decrease, or finally become extinct.

You say that it is time to shake off the Mist, but Mankind walks in a Mist; that Reason which you cry up as the Glory of this Age is a Proteus and Cameleon that...

A Muslim must not hate his wife and if he be displeased with one bad quality in her, then let him be pleased with another that is good.

Interviewer: Didn’t Sagan want to believe?Druyan: he didn’t want to believe. he wanted to know.