"It is the heart always that sees before the head can see."
– Thomas Carlyle
"A man can do only what he can do. But if he does that each day he can sleep at night and do it again the next day."
– Albert Schweitzer
"Hope is a light diet, but very stimulating."
– Honoré de Balzac
"The great man is he who does not lose his childlike heart."
"In things pertaining to enthusiasm, no man is sane who does not know how to be insane on proper occasions."
– Henry Ward Beecher