每一个作用力总是有一个相等的反作用力与之对抗。

The work on IVF was driven by the desire to help infertile couples.

保持好奇心，保持对世界的好奇心。

All things are possible until they are proved impossible and even the impossible may only be so, as of now.

Intolerance of others’ views (no matter how ignorant or incoherent they may be) is not simply wrong; in a world where there is no right or wrong, it is worse: it is a sign you are embarrassingly unsophisticated or, possibly, dangerous.

I'm not perfect, but I'm always me.