All paid jobs absorb and degrade the mind.

Quite often good things have hurtful consequences. There are instances of men who have been ruined by their money or killed by their courage.

Remember that time slurs over everything, let all deeds fade, blurs all writings and kills all memories. Exempt are only those which dig into the hearts of men by love.

The greatest virtues are those which are most useful to other persons.

Evils draw men together.

Men become builders by building and lyreplayers by playing the lyre; so too we become just by doing just acts, temperate by doing temperate acts, brave by doing brave acts.

For knowing is spoken of in three ways: it may be either universal knowledge or knowledge proper to the matter in hand or actualising such knowledge; consequently three kinds of error also are possible.