Doe Quote by Voltaire

When he to whom one speaks does not understand, and he who speaks himself does not understand, that is metaphysics.

— Voltaire

He who knows does not speak. He who speaks does not know.

— Anonymous

One often speaks without seeing, without knowing, without meaning what one says.

— Jacques Derrida

“He who speaks does not know; he who knows does not speak”

— Lao Tzu

I think I know what Philosophy really is , since knowing him is when you think

— Anonymous

If you wish to understand a philosopher, do not ask what he says, but find out what he wants

— Friedrich Nietzsche

When you want to hear a philosopher, do not say, 'You say nothing to me'; only show yourself worthy or fit to hear, and…

— Epictetus

“Only by exhibiting actions in harmony with the sound words which he has received will anyone be helped by philosophy.”

— Musonius Rufus

“A person who speaks as if he knows everything soon drives away his listeners. The Universe communicates itself to us in many ways, and…

— Wu Wei

A man of business may talk of philosophy; a man who has none may practice it.

— Alexander Pope

“So philosophy purifies the will. But philosophy is to be understood as experience and thought, not as mere reading or passive study.”

— Will Durant

“I once heard philosophy defined as ‘the study of things that no one understands.”

— E. William Brown