People believe in God because the world is very complicated and they think it is very unlikely that anything as complicated as a flying squirrel or the human eye or a brain could happen by chance.

Everything should be built top-down, except the first time.

The dead have left us clues in their DNA.

对生命的研究就是对无限可能性的研究。

解释：人参是补气效果最好的药材，三七则是补血效果最佳的药材，体现了中药的特效。