“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.”

“But then arises the doubt, can the mind of man, which has, as I fully believe been developed from a mind as low as that possessed by the lowest animal, be trusted when it draws such grand conclusions?”

“The race is now on between the technoscientific and scientific forces that are destroying the living environment and those that can be harnessed to save it. . . . If the race is won, humanity can e...”

“When Mother Nature speaks, even the Gods hold silence.”

“Biology is run by intricate cellular mechanisms. Cellular mechanisms are run by Nature. Thus, the more we attempt to understand Nature, the more we get closer to our existential properties.”

“Today I want to belong. I want to feel safe and at home. I want to be aware of what it is like simply to be, without defenses or desires. I will appreciate the flow of life for what it is-my own tr...”

“Nature reflects the moods of the wizard.”

“My calling ties me to no office, makes me no man's slave, compels me to no action which my soul condemns. It sets me free from town life, which I loathe; and allows me to breathe clean air, to exer...”