Young men are apt to think themselves wise enough, as drunken men are apt to think themselves sober enough.
Lord ChesterfieldA man who cannot command his temper, his attention, and his countenance should not think of being a man of business.
Lord ChesterfieldOne should always think of what one is about; when one is learning, one should not think of play; and when one is at play, one should not think of learning.
Lord ChesterfieldKeep carefully not of all scrapes and quarrels. They lower a character extremely; and are particularly dangerous in France, wherea man is dishonoured by not resenting an affront, and utterly ruined by resenting it.
Lord Chesterfield