意指任何收获都需要付出相应的代价。

The world is so full of people, so crowded with these miracles, that they become commonplace and we forget.

"In the intricate dance of life, every gene has a role, and every mutation tells a story."

用昨天的方法做今天的工作，明天就会失业。

All violence consists in some people forcing others, under threat of suffering or death, to do what they do not want to do.