Practical politics consists in ignoring facts.

Accident counts for as much in companionship as in marriage.

One friend in a lifetime is much; two are many; three are hardly possible.

To my fancy, one looks back on life, it has only two responsibilities, which include all the others: one is the bringing of new life into existence; the other, educating it after it is brought in. All betrayals of trust result from these original sins.

Society is immoral and immortal; it can afford to commit any kind of folly, and indulge in any sort of vice; it cannot be killed, and the fragments that survive can always laugh at the dead.

After Gibbs, one the most distinguished [American scientists] was Langley, of the Smithsonian. ... He had the physicist's heinous fault of professing to know nothing between flashes of intense perception. ... Rigidly denying himself the amusement of philosophy, which consists chiefly in suggesting unintelligible answers to insoluble problems, and liked to wander past them in a courteous temper, even bowing to them distantly as though recognizing their existence, while doubting their respectibility.

Every syllable that can be struck out is pure profit, and every page that can be economised is a five-per-cent dividend. Nature rebels against this rule; the flesh is weak, and shrinks from the scissors; I groan in retrospect over the weak.