The end of labor is to gain leisure.
The roots of education are bitter, but the fruit is sweet.
The one exclusive sign of thorough knowledge is the power of teaching.
There is no great genius without some touch of madness.
If some animals are good at hunting and others are suitable for hunting, then the Gods must clearly smile on hunting.
All human actions have one or more of these seven causes: chance, nature, compulsion, habit, reason, passion, and desire.