The function of wisdom is to discriminate between good and evil.
Nature herself makes the wise man rich.
As the scale of the balance must give way to the weight that presses it down, so the mind must of necessity yield to demonstration.
The enemy is within the gates; it is with our own luxury, our own folly, our own criminality that we have to contend.
No one sees what is before his feet: they scan the tracks of heaven.
They condemn what they do not understand.