Knowledge itself is power.

Nature is conquered only by obedience.

If a man will begin with certainties, he shall end in doubts; but if he will be content to begin with doubts, he shall end in certainties.

Philosophy is nothing other than the pursuit of nobility and goodness.

-- Gaius Musonius Rufus

It is hard to retain what you learn unless you practice it.

-- Seneca

Educate the children and it will not be necessary to punish the men.

-- Pythagoras

Fables should be taught as fables, myths as myths, and miracles as poetic fancies.

-- Hypatia

To teach superstitions as truth is a most terrible thing.

-- Hypatia

Learning without thought is labor lost; thought without learning is perilous.

-- Confucius