The self-same atoms which, chaotically dispersed, made the nebula, now, jammed and temporarily caught in peculiar positions, form our brains; and the 'evolution' of brains, if understood, would be simply the account of how the atoms came to be so caught and jammed.

We must make automatic and habitual, as early as possible, as many useful actions as we can, and as carefully guard against the growing into ways that are likely to be disadvantageous.

Strength is a facade for the proud, weakness is a mask for the lazy.

The function of ignoring, of inattention, is as vital a factor in mental progress as the function of attention itself.

Lets take full advantage of this discovery

To know psychology, therefore, is absolutely no guarantee that we shall be good teacher.

A new position of responsibility will usually show a man to be a far stronger creature than was supposed.