Thought is the organizing factor in man, intersected between the causal primary instincts and the resulting actions.

From a certain temperature on, the molecules 'condense' without attractive forces; that is, they accumulate at zero velocity. The theory is pretty, but is there some truth in it.

In the view of such harmony in the cosmos which I, with my limited human mind, am able to recognize, there are yet people who says there is no God. But what makes me really angry is that they quote me for support of such views. (The Expanded Quotable Einstein, Princeton University, page 214)

A forced faithfulness is a bitter fruit for all concerned.

Opinions about obviousness are to a certain extent a function of time.

If someone feels that he has never made a mistake in his life, it only means that he has never tried anything new in his life.

Our defense is not in our armaments, nor in science, nor in going underground. Our defense is in law and order.