There are 3 rules to follow if you want to change; (1) Start immediately, (2) Do it flamboyantly, (3) No exceptions.

The deepest human need is the need to be appreciated.

Objective evidence and certitude are doubtless very fine ideals to play with, but where on this moonlit and dream-visited planet are they found?

To be fertile in hypotheses is the first perquisite of creativity and to be willing to throw them away the moment experience contradicts them is the next.

The prevalent fear of poverty among the educated classes is the worst moral disease from which our civilization suffers.

You perceive now, my friends, what your general or abstract duty is as teachers. Although you have to generate in your pupils a large stock of ideas, any one of which may be inhibitory, yet you must also see to it that no habitual hesitancy or paralysis of the will ensues, and that the pupil still retains his power of vigorous action.

It does not follow, because our ancestors made so many errors of fact and mixed them with their religion, that we should therefore leave off being religious at all. By being religious we establish ourselves in possession of ultimate reality at the only points at which reality is given us to guard. Our responsible concern is with our private destiny, after all.