"The past is a puzzle, and the historian is the person who tries to put the pieces together."

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.

The most hateful thing for a man is to have knowledge of everything but power over nothing.

农业现代化不是简单的机械化，而是整个产业链的智能化升级。