Quote #13846
Where observation is concerned, chance favors only the prepared mind.
Quote #15213
The ingredients of health and long life, are great temperance, open air, easy labor,...
Quote #6455
Science can purify religion from error and superstition. Religion can purify science from idolatry...
Quote #100
Every nation ridicules other nations, and all are right.
Quote #19760
The problems of the world cannot possible be solved by skeptics or cynics whose...
Quote #29204
The difficulty lies not so much in developing new ideas as in escaping from...
Quote #10472
Let every nation know, whether it wishes us well or ill, that we shall...
Quote #27393
A doubtful friend is worse than a certain enemy. Let a man be one...
Quote #24133
The significant problems we face cannot be solved at the same level of thinking...
Quote #31450
Mire Hacia Las Estrellas. Look At The Stars.