It is good a philosopher should remind himself, now and then, that he is a particle pontificating on infinity.
The present is the past rolled up for action, and the past is the present unrolled for understanding.
The laws of biology are the fundamental lessons of history.
No man who is in a hurry is quite civilised.
The conservative who resists change is as valuable as the radical who proposes it.
Man, not the earth, makes civilization.