The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time, and still retain the ability to function.

I don't believe in luck. I believe in hard work.

The intelligence of drones is not the end, but the beginning.

最好的书是让你改变的书。

在房地产中，你赚钱是在买的时候，而不是卖的时候。