The essence of mathematics lies in its freedom.
The true measure of leadership is how you empower others to solve problems you haven't even anticipated.
A lot of people are afraid to say what they want. That's why they don't get what they want.
增长的关键不是物质资本的积累,而是知识的扩展。
如果您不愿意对它们负责,那就不要有好主意。