Technology should be invisible. When it's working best, you don't even notice it.

我是你妈妈死去的原因，我是你爸爸逃跑的原因。

If you are ready to give up everything else and study the whole history and background of the market and all the principal companies whose stocks are on the board as carefully as a medical student studies anatomy—if you can do all that and in addition you have the cool nerves of a gambler, the sixth sense of a clairvoyant and the courage of a lion, you have a ghost of a chance.

To feed the world, we must first learn to listen to the earth.