Little vicious minds abound with anger and revenge and are incapable of feeling te pleasure of forgiving their enemies.

You must look into people, as well as at them.

Wear your knowledge like your watch - in you pocket - and don't pull it out just for show.

You should not only have attention to everything, but a quickness of attention, so as to observe at once all the people in the room--their motions, their looks and their words--and yet without staring at them and seeming to be an observer.

Those whom you can make like themselves better will, I promise you, like you very well.

Advice is seldom welcome, and those who need it the most, like it the least.

The world can doubtless never be well known by theory: practice is absolutely necessary; but surely it is of great use to a young man, before he sets out for that country, full of mazes, windings, and turnings, to have at least a general map of it, made by some experienced traveler.