With most men, unbelief in one thing springs from blind belief in another.

He was always smoothing and polishing himself, and in the end he became blunt before he was sharp.

I believe that man is in the last resort so free a being that his right to be what he believes himself to be cannot be contested.

Reason now gazes above the realm of the dark but warm feelings as the Alpine peaks do above the clouds. They behold the sun more clearly and distinctly, but th…

There are two ways to slide easily through life: to believe everything or to doubt everything; both ways save us from thinking.

It seems to me what is called for is an exquisite balance between two conflicting needs: the most skeptical scrutiny of all hypotheses that are served up to us…

Check your assumptions. In fact, check your assumptions at the door.