A Russian cosmonaut and a Russian brain surgeon were once discussing Christianity. The brain surgeon was a Christian, but the cosmonaut wasn’t. ‘I have been in outer space many times,’ bragged the cosmonaut, ‘but I have never seen any angels.’ The brain surgeon stared in amazement, but then he said, ‘And I have operated on many intelligent brains, but I have never seen a single thought.

A state that does not educate and train women is like a man who only trains his right arm.

The soul yearns to fly home on the wings of love to the world of ideas. It longs to be freed from the chains of the body.

We are the living planet!

As long as we are children, we have the ability to experience things around us--but then we grow used to the world. To grow up is to get drunk on sensory experience.

Acting responsibly is not a matter of strengthening our reason but of deepening our feelings for the welfare of others.

A philosopher knows that in reality he knows very little. That is why he constantly strives to achieve true insight. Socrates was one of these rare people. He knew that he knew nothing about life and about the world. And now comes the important part: it troubled him that he knew so little.