Prefer diligence before idleness, unless you esteem rust above brightness.
No man should bring children into the world who is unwilling to persevere to the end in their nature and education.
He who can properly define and divide is to be considered a god.
Who are the true philosophers? Those whose passion is to love the truth.
The cure of many diseases is unknown to physicians because they are ignorant of the whole... For the part can never be well unless the whole is well.
The orators and the despots have the least power in their cities ... since they do nothing that they wish to do, practically speaking, though they do whatever they think to be best.