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.

When you have to make a choice and don't make it, that is in itself a choice.

There are no differences but differences of degree between different degrees of difference and no difference.

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

Procrastination is attitude's natural assassin. There's nothing so fatiguing as an uncompleted task

It would probably astound each of them beyond measure to be let into his neighbor's mind and to find how different the scenery there was from that in his own.

I have often thought the best way to define a man's character would be to seek out the particular mental or moral attitude in which, when it comes upon him, he felt himself most deeply and intensely active and alive. At such moments there is a voice inside which speaks and says: This is the real me!.