Habit (n.) is necessary. Without it, life would require continual improvisation. Life would be the most unendurable thing.
Habit (n.) is a thing from which arises an important species of pleasure, and therewith the source of morality.
Habit (n.) is inescapable in any normal context, but, curiously enough, illness, along with misery and imperfection, offer backdoor escapes from enduring habits.
Habit (n.) makes our hand wittier and our wit unhandier.
Habit (n.) matters more to man than his advantage: even the cleverest regards his habits as more important.
Habit (n.) is what a man's principles seek to dominate, justify, honour, reproach or conceal.
Habit (n.) spins a web whose threads become cords, until we sit in the middle as a spider who has caught himself and must live on his own blood.