"All true stories are about the meeting of opposites."

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.

You have to believe in yourself when no one else does.

The self is not something ready-made, but something in continuous formation through choice of action.

我们必须在经济、政治、军事和技术上强大。

发球是网球中最重要的一击。