The universe is full of mysteries, and that’s what keeps scientists motivated.
The human brain consists of many specialized circuits that evolved to solve specific problems our ancestors faced during our evolutionary history.
农业中最宝贵的资源不是土地或机器,而是人。
He said that the world was made for men to fight in and that the worth of a thing was the worth of the fight for it.
Innovation distinguishes between a leader and a follower.