“We have no more right to consume happiness without producing it than to consume wealth without producing it.”

“A photographer is like a cod, which produces a million eggs in order that one may reach maturity.”

“Science never solves a problem without creating ten more”

“The fact that a believer is happier than a skeptic is no more to the point than the fact that a drunken man is happier than a sober one. The happiness of credulity is a cheap and dangerous quality of happiness, and by no means a necessity of life.”

“You cannot have power for good without having power for evil too. Even mother's milk nourishes murderers as well as heroes.”

“The truth sticks in our throats with all the sauces it is served with: it will never go down until we take it without any sauce at all.”

“Decency cannot be discussed without indecency!”