There is no more miserable human being than one in whom nothing is habitual but indecision, and for whom the lighting of every cigar, the drinking of every cup, the time of rising and going to bed every day, and the beginning of every bit of work, are subjects of express volitional deliberation.

Truth is one species of good, and not, as is usually supposed, a category distinct from good, and co-ordinate with it

We forget that every good that is worth possessing must be paid for in strokes of daily effort. We postpone and postpone until those smiling possibilities are dead... By neglecting the necessary concrete labor, by sparing ourselves the little daily tax, we are positively digging the graves of our higher possibilities.

Human beings can alter their lives by altering their attitudes of mind.

The whole drift of my education goes to persuade me that the world of our present consciousness is only one out of many worlds of consciousness that exist.

You can't out-perform your self-image.

One hears of the mechanical equivalent of heat. What we now need to discover in the social realm is the moral equivalent of war: something heroic that will speak to men as universally as war does, and yet will be as compatible with their spiritual selves as war has proved itself to be incompatible.