要解决问题，你必须愿意以不同的方式思考。
To solve a problem, you have to be willing to think differently.
每张皮革都承载着两个历史：动物的生命和制革者的遗产。我们对两者都负有责任。
The beauty of mathematics only shows itself to more patient followers.
Assume life will be really tough, and then ask if you can handle it.If the answer is yes, you've won.
恐惧风险的本能，反而让穷人承担更大风险。