Regarding mutual tolerance: It is negative in one sense, but positive in another. It absolutely forbids us to be forward in pronouncing on the meaninglessness of forms of existence other than our own; and it commands us to tolerate, respect, and indulge those whom we see harmlessly interested and happy in their own ways, however unintelligible these may be to us. Hands off.

Fear of life in one form or another is the great thing to exorcise.

The history of philosophy is to a great extent that of a certain clash of human temperaments.

What excites and interests the looker-on at life, what the romances and the statues celebrate, and the grim civic monuments remind us of, is the everlasting battle of the powers of light with those of darkness; with heroism reduced to its bare chance, yet ever and anon snatching victory from the jaws of death.

Social evolution is a resultant of the interaction of two wholly distinct factors: the individual ... bearing all the power of initiative and origination in his hands; and, second, the social environment with its power of adopting or rejecting both him and his gifts. Both factors are essential to change. The community stagnates without the impulse of the individual. The impulse dies away without the sympathy of the community.

We are mere bundles of habits.

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