As a well spent day brings happy sleep, so life well used brings happy death.

He who thinks little errs much…

The noblest pleasure is the joy of understanding.

Those who fall in love with practice without science are like a sailor who enters a ship without a helm or a compass, and who never can be certain whither he is going.

Men of lofty genius when they are doing the least work are most active.

Realize that everything connects to everything else.

I love those who can smile in trouble…

He who loves practice without theory is like the sailor who boards ship without a rudder and compass and never knows where he may cast.

It is an acknowledged fact that we perceive errors in the work of others more readily than in our own.

Painting is poetry that is seen rather than felt, and poetry is painting that is felt rather than seen.

I have from an early age abjured the use of meat, and the time will come when men such as I will look upon the murder of animals as they now look upon the murder...

What is fair in men, passes away, but not so in art

All our knowledge has its origin in our perceptions

As every divided kingdom falls, so every mind divided between many studies confounds and saps itself.

The knowledge of all things is possible

The smallest feline is a masterpiece.

I abhor the supreme folly of those who blame the disciples of nature in defiance of those masters who were themselves her pupils

Our life is made by the death of others.

Learning never exhausts the mind.

The acquisition of knowledge is always of use to the intellect, because it may thus drive out useless things and retain the good. For nothing can be loved or hated unless it is first known.

You will never have a greater or lesser dominion than that over yourself…the height of a man’s success is gauged by his self-mastery; the depth of his failure by his self-abandonment. …And this law is...

The painter will produce pictures of little merit if he takes the works of others as his standard.

A painter should begin every canvas with a wash of black, because all things in nature are dark except where exposed by the light.

Noi tutti siamo esiliatientro lo cornici di uno strano quadro.Chi sa questo, viva da grande,Gli altri sono insetti.

No human investigation can be called real knowledge if it does not pass through mathematical demonstrations; and if you say that the kinds of knowledge that begin and end in the mind have any value...

It is easier to resist at the beginning than at the end.

Painting is concerned with all the 10 attributes of sight; which are: Darkness and Light, Solidity and Color, Form and Position, Distance and Propinquity, Motion and Rest.

Once you have tasted flight, you will forever walk the earth with your eyes turned skyward, for there you have been, and there you will always long to return.

If you are alone you belong entirely to yourself. If you are accompanied by even one companion you belong only half to yourself or even less in proportion to the thoughtlessness of his conduct and...

Study without desire spoils the memory, and it retains nothing that it takes in.

It had long since come to my attention that people of accomplishment rarely sat back and let things happen to them. They went out and happened to things.

Make your work to be in keeping with your purpose

Truth at last cannot be hidden. Dissimulation is of no avail. Dissimulation is to no purpose before so great a judge. Falsehood puts on a mask. Nothing is hidden under the sun.

The eye which turns from a white object in the light of the sun and goes into a less fully lighted place will see everything as dark.

Art is never completed, only abandoned.

I have been impressed with the urgency of doing. Knowing is not enough; we must apply. Being willing is not enough; we must do.

The function of muscle is to pull and not to push, except in the case of the genitals and the tongue.

They will say that I, having no literary skill, cannot properly express that which I desire to treat of, but they do not know that my subjects are to be dealt with by experience rather...

Nothing strengthens authority so much as silence.

If the painter wishes to see beauties that charm him, it lies in his power to create them, and if he wishes to see monstrosities that are frightful, ridiculous, or truly pitiable, he is lord...

If the painter has clumsy hands, he will be apt to introduce them into his works, and so of any other part of his person, which may not happen to be so beautiful as it...

Water is the driving force in nature.

All sciences are vain and full of errors that are not born of Experience, the mother of all Knowledge.

Wisdom is the daughter of experience

The painter has the Universe in his mind and hands.

He who wishes to be rich within a day, will be hanged within a year.

I am fully conscious that, not being a literary man , certain presumptuous persons will think that they may reasonably blame me; alleging that I am not a man of letters. Foolish folks! do they...

Quando ouvimos os sinos, ouvimos aquilo que já trazemos em nós mesmos como modelo. Sou da opinião que não se deverá desprezar aquele que olhar atentamente para as manchas da parede, para os carvões sobre...

To me it seems that those sciences are vain and full of error which are not born of experience, mother of all certainty, first-hand experience which in its origins, or means, or end has passed...

One can have no smaller or greater mastery than mastery of oneself.