How terribly sad it was that people are made in such a way that they get used to something as extraordinary as living.
Wisest is she who knows she does not know.
Although you may not stumble across a Martian in the garden, you might stumble across yourself. The day that happens, you'll probably also scream a little. And that'll be perfectly all right, because it's not every day you realize you're a living planet dweller on a little island in the universe.
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.
It's not him who's disturbed. But he likes to disturb others-to shake them out of their rut.
But understanding will always require some effort. You probably wouldn't admire a friend who was good at everything if it cost her no effort.