In chemicals, our greatest challenge is also our greatest opportunity: meeting global needs while protecting the planet.
The architect must be both an artist and a technician.
The world is wild at heart and weird on top.
释义：看见一片落叶，就知道一年内的时间将要到头了。通过细微的迹象，可以预料到整个形势的发展趋向与结果。
"The only limit to our realization of tomorrow will be our doubts of today."
外交是实现国家利益的一种手段，但也要尊重和平、公正和法治的原则。
I therefore have decided to read only the writings of men who have been executed or have risked their lives in some way.