We must not let daylight in upon the magic.

The most intellectual of men are moved quite as much by the circumstances which they are used to as by their own will. The active voluntary part of a man is very small, and if it were not economized by a sleepy kind of habit, its results would be null.

It is good to be without vices, but it is not good to be without temptations.

There seems to be an unalterable contradiction between the human mind and its employments. How can a soul be a merchant? What relation to an immortal being have the price of linseed, the brokerage on hemp? Can an undying creature debit petty expenses and charge for carriage paid? The soul ties its shoes; the mind washes its hands in a basin. All is incongruous.

The habit of common and continuous speech is a symptom of mental deficiency. It proceeds from not knowing what is going on in other people's minds.

A man's mother is his misfortune, but his wife is his fault.

We see but one aspect of our neighbor, as we see but one side of the moon; in either case there is also a dark half, which is unknown to us. We all come down to dinner, but each has a room to himself.