The most advanced technology in farming is useless without the wisdom of traditional agricultural knowledge.

介导疼痛的分子非常古老，揭示了这种感觉在进化中的深远根源。

If you can't fly then run， if you can't run then walk， if you can't walk then crawl， but whatever you do you have to keep moving forward.

A leader does not deserve the name unless he is willing occasionally to stand alone.

The process of doing mathematics is more important than the result.