O wretched man, wretched not just because of what you are, but also because you do not know how wretched you are!

The master sometimes serves, and the servant sometimes is master.

Our minds possess by nature an insatiable desire to know the truth.

That which is usually called dotage is not the weak point of all old men, but only of such as are distinguished by their levity.

The wise man knows nothing if he cannot benefit from his wisdom. Wisdom is not only to be acquired, but also to be utilized.

Wars are to be undertaken in order that it may be possible to live in peace without molestation.

Never was a government that was not composed of liars, malefactors and thieves.