Let us agree not to step on each other’s feet.

An infinite personality is an infinite impossibility.

I would rather smoke one cigar than hear two sermons.

As a matter of fact, no one knows that God exists and no one knows that God does not exist. To my mind there is no evidence that God exists - that this world is governed by a being of infinite goodness, wisdom and power, but I do not pretend to know.

For the first time I understood the dogma of eternal pain... For the first time my imagination grasped the height and depth of the Christian horror. Then I said: "It is a lie, and I hate your religion. If it is true, I hate your God." From that day I have had no fear, no doubt. For me, on that day, the flames of hell were quenched. From that day I have passionately hated every orthodox creed. That Sermon did some good.

I believe that there is something far nobler than loyalty to any particular man. Loyalty to the truth as we perceive it - loyalty to our duty as we know it - loyalty to the ideals of our brain and heart - is, to my mind, far greater and far nobler than loyalty to the life of any particular man or God. . . .

The few have said, Think! The many have said, Believe! The first doubt was the womb and cradle of progress, and from the first doubt, man has continued to advance.