Geniuses are commonly believed to excel other men in their power of sustained attention . . . But it is their genius making them attentive, not their attention making geniuses of them.

Act the part and you will become the part.

Or if the hypothesis were offered us of a world in which Messrs. Fourier's and Bellamy's and Morris's Utopias should all be outdone, and millions kept permanently happy on the one simple condition that a certain lost soul on the far-off edge of things should lead a life of lonely torment, what except a specifical and independent sort of emotion can it be which would make us immediately feel, even though an impulse arose within us to clutch at the happiness so offered, how hideous a thing would be its enjoyment when deliberately accepted as the fruit of such a bargain?

You make a great, very great mistake, if you think that psychology, being the science of the mind's laws, is something from which you can deduce definite programmes and schemes and methods of instruction for immediate schoolroom use.

Hardly ever can a youth transferred to the society of his betters unlearn the nasality and other vices of speech bred in him by the associations of his growing years. Hardly ever, indeed, no matter how much money there be in his pocket, can he ever learn to dress like a gentleman-born. The merchants offer their wares as eagerly to him as to the veriest swell, but he simply cannot buy the right things.

The total possible consciousness may be split into parts which co-exist but mutually ignore each other.

Man lives for science as well as bread.