The other producer of old age is habit: the deathly process of doing the same thing in the same way at the same hour day after day, first from carelessness, then from inclination, at last from cowardice or inertia. Luckily the inconsequent life is not the only alternative; for caprice is as ruinous as routine. Habit is necessary; it is the habit of having habits, of turning a trail into a rut, that must be incessantly fought against if one is to remain alive.

Beware of monotony; it's the mother of all the deadly sins.

Some things are best mended by a break.

She was not accustomed to taste the joys of solitude except in company.

The real alchemy consists in being able to turn gold back again into something else; and that's the secret that most of your friends have lost.

I'm afraid I'm an incorrigible life-lover, life-wonderer, and adventurer.

...though she had not had the strength to shake off the spell that bound her to him she had lost all spontaneity of feeling, and seemed to herself to be passively awaiting a fate she could not avert.