Learning without thinking is useless. Thinking without learning is dangerous.

Until we accept the fact that life itself is founded in mystery, we shall learn nothing.

nothing that is worth knowing can be taught

Wisdom never comes to those who believe they have nothing left to learn

It is impossible to begin to learn that which one thinks one already knows.

The only real mistake is the one from which we learn nothing.

There is nothing to be learnt from a Professor, which is not to be met with in Books.

Nothing of any importance can be taught. It can only be learned, and with blood and sweat.

Much learning does not teach understanding.

Until thought is linked with purpose there is no intelligent accomplishment.

It’s this simple: if I never try anything, I never learn anything.

He who has imagination without learning has wings but no feet.

It is obvious that art cannot teach anyone anything, since in four thousand years humanity has learnt nothing at all.

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