No man who is in a hurry is quite civilised.

The present is the past rolled up for action, and the past is the present unrolled for understanding.

If you have character, endeavor, personality, courage and the capacity for concentrated labor, you will do what is your destiny – and, perhaps, even do it well.

Man, not the earth, makes civilization.

The laws of biology are the fundamental lessons of history.

Only a fool would try to compress a hundred centuries into a hundred pages of hazardous conclusions. We proceed.

It is good a philosopher should remind himself, now and then, that he is a particle pontificating on infinity.