How many times must a man look up Before he can see the sky？

"The best books are the ones that leave you a little bit different than when you started."

争论不应该是煤炭与可再生能源的对立，而应是如何让两者都变得更好。

Just in terms of allocation of time resources, religion is not very efficient. There's a lot more I could be doing on a Sunday morning.

高效算法的开发对于技术和科学的进步至关重要。