European nations began World War I with a glamorous vision of war, only to be psychologically shattered by the realities of the trenches. The experience changed the way people referred to the glamour of battle; they treated it no longer as a positive quality but as a dangerous illusion.

At the simplest level, only people who know they do not know everything will be curious enough to find things out.

European nations began World War I with a glamorous vision of war, only to be psychologically shattered by the realities of the trenches. The experience changed the way people referred to the glamour of battle; they treated it no longer as a positive quality but as a dangerous illusion.

Progress through trial and error depends not only on making trials, but on recognizing errors.

Medicare is immune from the competitive pressures that force private insurers to pay attention to what patients and doctors want.

Abundant choice doesn't force us to look for the absolute best of everything. It allows us to find the extremes in those things we really care about, whether that means great coffee, jeans cut wide across the hips, or a spouse who shares your zeal for mountaineering, Zen meditation, and science fiction.

The impulse for personal adornment is hard to stamp out.