Control your expenses better than your competition. This is where you can always find the competitive advantage.

The minimum content of natural law is necessary for any legal system.

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.

对于任何事务，要改变它就要先接受它。谴责不会解放而只会压迫。

If you want to fly, you have to give up the things that weigh you down.

I don't think about the past. The only thing that matters is the future.