Intellectual growth should commence at birth and cease only at death.

Nature hides her secrets because of her essential loftiness, but not by means of ruse.

Laws alone can not secure freedom of expression; in order that every man present his views without penalty there must be spirit of tolerance in the entire population.

From discord, find Harmony.

The most powerful force in the world is compound interest.

I would not think that philosophy and reason themselves will be man's guide in the foreseeable future; however, they will remain the most beautiful sanctuary they have always been for the select few.

Children don’t heed the life experiences of their parents, and nations ignore history. Bad lessons always have to be learned anew.