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。
"And this I believe: that the free, exploring mind of the individual human is the most valuable thing in the world. And this I would fight for: the freedom of the mind to take any direction it wishes, undirected."
我训练,我专注,我相信,我实现。