Just a thought...

The most spiritual men, as the strongest, find their happiness where others would find their destruction: in the labyrinth, in hardness against themseleves and others, in experiments. Their joy is self-conquest. Difficult tasks are a priviledge to them; to play with burdens that crush others, a recreation. They are the most venerable kind of man: that does not preclude their being the most cheerful and the kindliest.

- Friedrich Nietzsche