A taxonomy of abilities, like a taxonomy anywhere else in science, is apt to strike a certain type of impatient student as a gratuitous orgy of pedantry. Doubtless, compulsions to intellectual tidiness express themselves prematurely at times, and excessively at others, but a good descriptive taxonomy, as Darwin found in developing his theory, and as Newton found in the work of Kepler, is the mother of laws and theories.

[I] browsed far outside science in my reading and attended public lectures - Bertrand Russell, H. G. Wells, Huxley, and Shaw being my favorite speakers.

But psychology is a more tricky field, in which even outstanding authorities have been known to run in circles, 'describing things which everyone knows in language which no one understands'.

The original Upper Paleolithic people would, if they appeared among us today, be called Caucasoid, in the sense that they lacked the particular traits we associate with Negroid and Mongoloid types.

The only immortality we know of is our children, and in that unfinished story of the acts of lives, which, forever expanding, like waves from a pebble in the lake, have their immortality in the acts of future generations.

A taxonomy of abilities, like a taxonomy anywhere else in science, is apt to strike a certain type of impatient student as a gratuitous orgy of pedantry. Doubtless, compulsions to intellectual tidiness express themselves prematurely at times, and excessively at others, but a good descriptive taxonomy, as Darwin found in developing his theory, and as Newton found in the work of Kepler, is the mother of laws and theories.

Plato compared the intellect to a charioteer guiding the powerful horses of the passions, i.e., he gave it both the power of perception and the power of control.