They ought to be gentle to their friends and dangerous to their enemies.

Truthfulness. He will never willingly tolerate an untruth, but will hate it as much as he loves truth... And is there anything more closely connected with wisdom than truth?

Music is a defining element of character.

For neither birth, nor wealth, nor honors, can awaken in the minds of men the principles which should guide those who from their youth aspire to an honorable and excellent life, as Love awakens them

To think truly is noble and to be deceived is base.

Misanthropy ariseth from a man trusting another without having sufficient knowledge of his character, and, thinking him to be truthful, sincere, and honourable, finds a little afterwards that he is wicked, faithless, and then he meets with another of the same character. When a man experiences this often, and more particularly from those whom he considered his most dear and best friends, at last, having frequently made a slip, he hates the whole world, and thinks that there is nothing sound at all in any of them.

Virtue is voluntary, vice involuntary.