He who receives a benefit with gratitude, repays the first installment of it.

As many servants so many enemies.

You must live for another if you wish to live for yourself.

A disease is farther on the road to being cured when it breaks forth from concealment and manifests its power.

All I desire is, that my poverty may not be a burden to myself, or make me so to others; and that is the best state of fortune that is neither directly necessitous nor far from it. A mediocrity of fortune, with gentleness of mind, will preserve us from fear or envy; which is a desirable condition; for no man wants power to do mischief.

My joy in learning is partly that it enables me to teach.

If you will fear nothing, think that all things are to be feared.