从事物的本质来看，权力必须制约权力。
It is necessary from the very nature of things that power should be a check to power.
Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.
The real problem is not whether machines think but whether men do.
穷人的时间总被廉价出售，却永远买不到时间。