Five great enemies of peace inhabit us: avarice, ambition, envy, anger and pride.

A more secret, sweet, and overpowering beauty appears to man when his heart and mind open to the sentiment of virtue. Then he is instructed in what is set above him. He learns that his being is without bound; that to the good, to the perfect, he is born, low as he now lies in evil and weakness.

Society is an illusion to the young citizen. It lies before him in rigid repose, with certain names, men, and institutions, rootedlike oak-trees to the centre, round which all arrange themselves the best they can. But the old statesman knows that society is fluid; there are no such roots and centres; but any particle may suddenly become the centre of the movement, and compel the system to gyrate round it, as every man of strong will, like Pisistratus, or Cromwell, does for a time, and every man of truth, like Plato, or Paul, does forever.

New arts destroy the old.

Our prejudices are our robbers, they rob us valuable things in life. People only see what they are prepared to see.

Instead of feeling a poverty when we encounter a great man, let us treat the new comer like a travelling geologist, who passes through our estate, and shows us good slate, or limestone, or anthracite, in our brush pasture.

Hume's doctrine was that the circumstances vary, the amount of happiness does not; that the beggar cracking fleas in the sunshine under a hedge, and the duke rolling by in his chariot, the girl equipped for her first ball, and the orator returning triumphant from the debate, had different means, but the same quantity of pleasant excitement.