It is as expedient that a wicked man be punished as that a sick man be cured by a physician; for all chastisement is a kind of medicine.

Integrity is your destiny-it is the light that guides your way.

As to the artists, do we not know that he only of them whom love inspires has the light of fame?-he whom love touches not walks in darkness.

Everything that deceives does so by casting a spell.

The one who learns and learns and doesn't practice is like the one who plows and plows and never plants.

Someday, in the distant future, our grand-children' s grand-children will develop a new equivalent of our classrooms. They will spend many hours in front of boxes with fires glowing within. May they have the wisdom to know the difference between light and knowledge.

The essence of knowledge is self-knowledge.