Men practice war; beasts do not.

No tree becomes rooted and sturdy unless many a wind assails it. For by its very tossing it tightens its grip and plants its roots more securely; the fragile trees are those that have grown in a sunny valley.

Fire proves gold, adversity proves men.

A large library is apt to distract rather than to instruct the learner; it is much better to be confined to a few authors than to wander at random over many.

It is a rough road that leads to the heights of greatness.

A benefit is estimated according to the mind of the giver.

No man is free who is a slave to the flesh.