There are only two kinds of men: the righteous who think they are sinners and the sinners who think they are righteous.
The one exclusive sign of thorough knowledge is the power of teaching.
Pleasure in the job puts perfection in the work.
The virtue of justice consists in moderation as regulated by wisdom.
Excellence then is a state concerned with choice lying in a mean relative...
Nothing is so threatening to conventional values as a man who does not...
Ignorance more frequently begets confidence than does knowledge: it is...
No thief, however skillful, can rob one of knowledge, and that is why...