What is success? I think it is a mixture of having a flair for the thing that you are doing; knowing that it is not enough, that you have got to have hard work and a certain sense of purpose.
即使在抽象中，数学也具有深远的现实应用。
The future belongs to those who can balance profitability with environmental responsibility.
The more you know who you are, and what you want, the less you let things upset you.