Sometimes one pays most for the things one gets for nothing.

To be sure, it is not the fruits of scientific research that elevate a man and enrich his nature, but the urge to understand, the intellectual work, creative or receptive.

Inner freedom is an infrequent gift of nature and a worthy object for the individual.

I didn't arrive at my understanding of the fundamental laws of the universe through my rational mind.

Politics is for the present, but an equation is for eternity.

But the personality that finally emerges is largely formed by the environment in which a man happens to find himself during his development, by the structure of the society in which he grows up, by the tradition of that society, and by its appraisal of particular types of behavior.

The magic of compounding interest is truly the eighth wonder of the world!