The clouds over the land now rose like mountains, and the coast was only a long green line with the gray blue hills behind it. The water was a dark blue now, so dark that it was almost purple.

In mathematics, the journey from question to answer is often more enlightening than the answer itself.

领导力不在于掌控，而在于照顾那些你负责的人。

写作是直面内心的黑暗。

Never underestimate the power of observation—sometimes the smallest detail leads to the biggest discovery.

The same principles which at first view lead to skepticism， pursued to a certain point， bring men back to common sense.