Whatever you tell; lie or truth, can both destroy or save you.

All true are not truthful.

Logic, it is often said, is the study of valid arguments. It is a systematic attempt to distinguish valid arguments from invalid arguments.

The volume of your voice does not increase the validity of your argument.

Due to some dim but irresistible notion of the way things are, it is simply not possible, out of order, not apprpriate to the situation at hand, if, within the circle of those who are...

The motive behind criticism often determines its validity. Those who care criticize where necessary. Those who envy criticize the moment they think that they have found a weak spot.

The publication of the Darwin and Wallace papers in 1858, and still more that of the ‘Origin’ in 1859, had the effect upon them of the flash of light, which to a man who has...

One may characterize physics as the doctrine of the repeatable, be it a succession in time or the co-existence in space. The validity of physical theorems is founded on this repeatability.

Man’s inhumanity to man will continue as long as man loves God more than he loves his fellow man. The love of God means wasted love. ‘For God and Country’ means a divided allegiance—a 50...

When you raise the most valid of points, you will be grazed by the most hollow of souls, and the most vacant of personages.