不经过一年中最寒冷的时候，无法知道松柏是最后凋谢的；不经过艰难的考验，无法知道一个人是不是真正的君子。
Sustainability must be at the core of everything we do in the chemical industry.
A hundred times every day I remind myself that my inner and outer life are based on the labors of other men, living and dead, and that I must exert myself in order to give in the same measure as I have received and am still receiving...
科学的作用是照亮前进的道路，而不是规定它。
The more we learn about sensory biology, the more we realize how intricate and finely tuned our nervous system is.