“The most savage controversies are those about matters as to which there is no good evidence either way.”

“I would never die for my beliefs because I might be wrong.”

 “The fundamental cause of the trouble is that in the modern world the stupid are cocksure while the intelligent are full of doubt” and “Not to be absolutely certain is, I think, one of the essential things in rationality.”

“As a philosopher, if I were speaking to a purely philosophic audience I should say that I ought to describe myself as an Agnostic, because I do not think that there is a conclusive argument by which one can prove that there is not a God. On the other hand, if I am to convey the right impression to the ordinary man in the street I think that I ought to say that I am an Atheist, because, when I say that I cannot prove that there is not a God, I ought to add equally that I cannot prove that there are not the Homeric gods.”

“If there were a God, I think it very unlikely that He would have such an uneasy vanity as to be offended by those who doubt His existence”

“In all affairs it’s a healthy thing now and then to hang a question mark on the things you have long taken for granted.”