An investment in knowledge always pays the best interest.
Benjamin Franklin
Beware of the man who works hard to learn something, learns it, and finds himself no wiser than before.
Kurt Vonnegut
Whatever in creation exists without my knowledge exists without my consent.
Cormac McCarthy
To learn which questions are unanswerable, and not to answer them: this skill is most needful in times of stress and darkness.
Ursula K. Le Guin
What is now proved was once only imagined.
William Blake
Few people are capable of expressing with equanimity opinions which differ from the prejudices of their social environment. Most people are incapable of forming such opinions.
Albert Einstein
Knowledge comes, but wisdom lingers.
Alfred Lord Tennyson
Science is organized knowledge. Wisdom is organized life.
Will Durant
It was better to know the worst than to wonder.
Margaret Mitchell
A little Learning is a dangerous Thing.
Alexander Pope