Innumerable are the illusions and legerdemain-tricks of custom: but of all of these, perhaps the cleverest is her knack of persuading us that the miraculous, by simple repetition, ceases to be miraculous.
Thomas CarlyleHabit and imitation--there is nothing more perennial in us than these two. They are the source of all working, and all apprenticeship, of all practice, and all learning, in this world.
Thomas Carlyle