The best detective stories are those where the detective is as complex as the crime.

"The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart."

The relation between what we see and what we know is never settled.

能源的未来在于平衡经济增长与环境管理。

I think it would be a disaster. The extraterrestrials would probably be far in advance of us. The history of advanced races meeting more primitive people on this planet is not very happy, and they were the same species. I think we should keep our heads low.

The intelligence of drones will change our way of life.

当你专注于做正确的事而非容易的事时，成功自然会随之而来。