Freedom is the alone unoriginated birthright of man, and belongs to him by force of his humanity; and is independence on the will and co-action of every other in so far as this consists with every other person's freedom.

Act in such a way that you treat humanity, whether in your own person or in the person of any other, never merely as a means to an end, but always at the same time as an end.

The nice thing about living in a small town is that when you don't know what you're doing, someone else does.

I assert that, in any particular natural science, one encounters genuine scientific substance only to the extent that mathematics is present.

Man relates to material things through direct insight rather than reason.

Prudence approaches, conscience accuses.

No state at war with another state should engage in hostilities of such a kind as to render mutual confidence impossible when peace will have been made.