Beware of biting jests; the more truth they carry with them, the greater wounds they give, the greater smarts they cause, and the greater scars they leave behind them.
Fools learn nothing from wise men, but wise men learn much from fools.
Let the degree of egotism be the measure of confidence.
The proportion of genius to the vulgar is like one to a million.
Be certain that he who has betrayed thee once will betray thee again.
Every man has his devilish minutes.