Where one despises, one cannot wage war.

We are unknown to ourselves, we men of knowledge - and with good reason. We have never sought ourselves - how could it happen that we should ever find ourselves? It has rightly been said: "Where your treasure is, there will your heart be also"; our treasure is where the beehives of our knowledge are.

Everyone becomes brave when he observes one who despairs.

We take a fancy to something: and scarcely have we thoroughly taken a fancy to it when that tyrant in us calls out: "Give me thatin sacrifice"--and we give it.

Those who are slow to know suppose that slowness is the essence of knowledge.

Look not into the sun! Even the moon is too bright for your nocturnal eyes!

In constructing concepts, we overlook the fact that no two things are the same. There is no such thing as the concept of a leaf, only billions and billions of leaves.