数学的本质在于其自由性。

可持续性不仅是一种趋势，更是我们对下一代的责任。

Risk management is the most important thing to be well understood. If you don't have a good risk management system, you are going to blow up.

我们接受自己认为应得的爱。

The writer is a person who writes, not a person who is written about.

This is an interesting planet. It deserves all the attention you can give it.