人们说苦难喜欢陪伴，但我认为自由也是如此。

世界上有许多既美好又出类拔萃的事物，可是他们却各不相依。

Every molecule tells a story, and catalysts help us write new chapters.

在生命中，最微不足道但有意义的事物，也比最伟大但无意义的事物更有价值。

There is no such thing as a quality problem. There are only problems, and the solutions to those problems may involve quality considerations.