Bertrand Russell — "It is a truism that in this world there is always more misery than happiness."

"It is not uncommon for doctors to be asked by married couples of some years' standing for advice as to how to get children, and to find on examination that the couples have not known how to perform in…"

"If everything must have a cause, then God must have a cause. If there can be anything without a cause, it may just as well be the world as God, so that there cannot be any validity in that argument."

"I am a mathematician and a logician. I have no emotions. I am a machine. I am a machine to think."

"Free thought has always been a perquisite of aristocracy."

"One of the painful things about our time is that those who feel certainty are stupid, and those with any imagination and understanding are filled with doubt and indecision."