"Before God we are all equally wise - and equally foolish."
"A casual stroll through the lunatic asylum shows that faith does not prove anything."
"A fanatic is one who can't change his mind and won't change the subject."
-Sir Winston Churchill
"It is unwise to be too sure of one's own wisdom. It is healthy to be reminded that the strongest might weaken and the wisest might err."
"It is hard enough to remember my opinions, without also remembering my reasons for them!"
"The unexamined life is not worth living."
"I think it would be a good idea."
-Mahatma Gandhi, when asked what he thought of Western civilization
"The important thing is not to stop questioning."