Life is a slope.As long as you're going up you're always looking towards the top and you feel happy, but when you reach it, suddenly you can see the road going downhill and death at the end of it all. It's slow going up and quick going down.
"The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart."
"The important thing in science is not so much to obtain new facts as to discover new ways of thinking about them."