Without continuous knowledge, man's brain reverts to the existential condition of an animal.

The investment in knowledge brings about good interest if you can afford it. When you are too poor, you borrow it. Without knowledge, no one is his own master.

Even when drinking from the fountain of knowledge we have to be careful – it has been raining a lot on this land lately...

I noticed that understanding truth is a difficult endeavour, many times impossible, and I continued to look for truth.

Truth, justice, knowledge – windows, windows... such a need for Sun!

The learned man will not rest until he finds the one to learn more from.