We need society, and we need solitude also, as we need summer and winter, day and night, exercise and rest.

Unless a man works he cannot find out what he is able to do.

Society is, and must be, based upon appearances, and not upon the deepest appearances, and not realities.

Woe unto him that is never alone, and cannot bear to be alone.

Avowed work, even when uncongenial, is far less trying to patience than feigned pleasure.

The only hope of preserving what is best, lies in the practice of an immense charity, a wide tolerance, a sincere respect for opinions that are not ours.

You may have a cat in the room with you without anxiety about anything except eatables. The presence of a cat is positively soothing to a student.