"To walk through the ruined cities of Germany is to feel an actual doubt about the continuity of civilization."

"To dream is to realize that the pursuit of truth is a lifelong endeavor."

"The tapestry of existence shows us that the light of knowledge dispels the darkness of ignorance."

"No advance in wealth, no softening of manners, no reform or revolution has ever brought human equality a millimeter nearer."

"I was losing interest in politics, when the repeal of the Missouri Compromise aroused me again. What I have done since then is pretty well known."

"Switzerland is a country where very few things begin, but many things end."

"My reading of history convinces me that most bad government results from too much government."

"He who seeks peace must remember that every step forward is a victory over stagnation."