Man lives for science as well as bread.
Metaphysics means nothing but an unusually obstinate effort to think clearly.
Most people never run far enough on their first wind to find out they've got a second.
No matter how full a reservoir of maxims one may possess, and no matter how good one's sentiments may be, if one has not taken advantage of every concrete opportunity to act, one's character may remain entirely unaffected for the better.
Nothing is so fatiguing as the eternal hanging on of an uncompleted task.
One hearty laugh together will bring enemies into a closer communion of heart than hours spent on both sides in inward wrestling with the mental demon of uncharitable feeling.
Our errors are surely not such awfully solemn things. In a world where we are so certain to incur them in spite of all our caution, a certain lightness of heart seems healthier than this excessive nervousness on their behalf.
Our esteem for facts has not neutralized in us all religiousness. It is itself almost religious. Our scientific temper is devout.
Our faith is faith in someone else's faith, and in the greatest matters this is most the case.
If the grace of God miraculously operates, it probably operates through the subliminal door.
Common sense and a sense of humor are the same thing, moving at different speeds. A sense of humor is just common sense, dancing.
Man can alter his life by altering his thinking.
Pessimism leads to weakness, optimism to power.
A man has as many social selves as there are individuals who recognize him.
Acceptance of what has happened is the first step to overcoming the consequences of any misfortune.