We should be careful to get out of an experience only the wisdom that is in it - and stop there, lest we be like the cat that sits down on a hot stovelid. She will never sit down on a hot stove-lid again - and that is well; but also she will never sit down on a cold one anymore.
If a man really knew himself he would utterly despise the ignorant notions others might form on a subject in which he had such matchless opportunities for observation.
Many highly intelligent people are poor thinkers. Many people of average intelligence are skilled thinkers. The power of a car is separate from the way the car is driven.
He has achieved success, who has lived well, laughed often, and loved much; who has gained the respect of intelligent men and the love of little children.