That which does not kill us makes us stronger.
Collaboration in mathematics is essential; the exchange of ideas leads to breakthroughs that no single mind could achieve alone.
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.
成功的真正衡量标准不仅仅是利润，还有我们对社会留下的积极影响。