The youth of an art is, like the youth of anything else, its most interesting period.

You cannot have a thing "matter" by itself which shall have no motion in it, nor yet a thing "motion" by itself which shall exist apart from matter; you must have both or neither. You can have matter moving much, or little, and in all conceivable ways; but you cannot have matter without any motion more than you can have motion without any matter that is moving.

The foundations which we would dig about and find are within us, like the kingdom of heaven, rather than without.

Youth is like spring, an over praised season more remarkable for biting winds than genial breezes. Autumn is the mellower season, and what we lose in flowers we more than gain in fruits.

Arguments are like fire-arms which a man may keep at home but should not carry about with him.

The only absolute morality is absolute stagnation.

How often do we not see children ruined through the virtues, real or supposed, of their parents?