What's terrible is to pretend that second-rate is first-rate. To pretend that you don't need love when you do; or you like your work when you know quite well you're capable of better.

The natural effort of every individual to better his own condition， when suffered to exert itself with freedom and security， is so powerful a principle that it is alone， and without any assistance， not only capable of carrying on the society to wealth and prosperity but of surmounting a hundred impertinent obstructions with which the folly of human laws too often encumbers its operations.

老年并不有趣，直到你真正到达那个年纪。

我不考虑失败。我考虑下一步。

人的欲望和其他激情，本质上是受到他自己控制的；他真正的困难在于，要知道何时需要加以控制，何时不需要。

Function precedes form in the evolution of mental processes.

TRPV1通道是一个突破，因为它向我们展示了热和疼痛如何在分子水平上联系在一起。