“None can reply - all seems eternal now. The wilderness has a mysterious tongue, which teaches awful doubt.”

“When I view all beings not as special creations, but as the lineal descendants of some few beings which lived long before the first bed of the Cambrian system was deposited, they seem to me to beco...”

“If I had my life to live over again, I would have made a rule to read some poetry and listen to some music at least once every week.”

“A man who dares to waste one hour of time has not discovered the value of life.”

“Thus, from the war of nature, from famine and death, the most exalted object which we are capable of conceiving, namely, the production of the higher animals, directly follows. There is grandeur in...”

“We are not here concerned with hopes or fears, only with truth as far as our reason permits us to discover it.”

“Do you remember what Darwin says about music? He claims that the power of producing and appreciating it existed among the human race long before the power of speech was arrived at. Perhaps that is ...”

“If happiness were the means to measure the evolutionary level of a species, I bet Darwin wouldve changed his mind and places humans at the very bottom.”

“Problems in science are sometimes made easier by adding complications.”

“A lady's imagination is very rapid; it jumps from admiration to love, from love to matrimony in a moment.”

“I've always said that idleness dulls the spirit. We have to keep the brain busy, or at least the hands if we don't have a brain.”

“If your workplace was somehow transplanted into the jungle and everyone was forced to survive at a very primitive level, it's safe to say that eventually your boss would rape you.”

“I do not know what I may appear to the world, but to myself I seem to have been only like a boy playing on the sea-shore, and diverting myself in now and then finding a smoother pebble or a prettie...”

“To know the history of science is to recognize the mortality of any claim to universal truth. ”

“The scientist only imposes two things, namely truth and sincerity, imposes them upon himself and upon other scientists.”