Petrarch.
The foundation of every state is the education of its youth.
Dionysius.
The chief glory of every people arises from its authors.
Dr. Johnson.
There is only one good, namely knowledge, and one only evil, namely ignorance.
Diogenes Laertius.
Knowledge comes, but wisdom lingers.
Tennyson.
Wisdom is the principal thing; therefore get wisdom: and with all thy getting get understanding.