We must infer that all things are produced more plentifully and easily and of a better quality when one man does one thing which is natural to him and does it at the right time, and leaves other things.

It is as expedient that a wicked man be punished as that a sick man be cured by a physician; for all chastisement is a kind of medicine.

Honesty is for the most par less profitable than dishonesty.

The people always have some champion whom they set over them and nurse into greatness. ... This and no other is the root from which a tyrant springs; when he first appears he is a protector.

Music has the capacity to touch the innermost reaches of the soul and music gives flight to the imagination.

I will prove by my life that my critics are liars.

Then may we not fairly plead in reply that our true lover of knowledge naturally strives for truth, and is not content with common opinion, but soars with undimmed and unwearied passion till he grasps the essential nature of things with the mental faculty fitted to do so, that is, with the faculty which is akin to reality, and which approaches and unites with it, and begets intelligence and truth as children, and is only released from travail when it has thus reached knowledge and true life and satisfaction?