Menander

By associating with wise people you will become wise yourself. Menander

John Milton

Not to know at large of things remote From use, obscure and subtle, but to know That which before us lies in daily life, Is the prime wisdom. John Milton

Seneca

No man was ever wise by chance. Seneca

Samuel Taylor Coleridge.

Silence does not always mark wisdom. Samuel Taylor Coleridge.

Latin Proverb

A wise man learns by the mistakes of others, a fool by his own. Latin Proverb

Thomas Huxley

The only medicine for suffering, crime, and all the other woes of mankind, is wisdom. Thomas Huxley

Cleobulus

The middle course is the best. Cleobulus