Abstraction is the key to managing complexity in large software systems.

The only thing that can make you successful is hard work.

If you can keep your head when all about you are losing theirs and blaming it on you...

The key to successful trading is to know yourself.

True leadership is about serving your team, not commanding them.

In general， the art of government consists of taking as much money as possible from one class of citizens to give to another.