True competitive advantage comes from doing what others aren't willing to do.

孩子不能从环境中得到回应，与外界互动的机会就会遭受剥夺。

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.