化学之美在于它能够在分子水平上解释世界。
"History is not the past. It is the method we have evolved of organizing our ignorance of the past."
The secret of change is to focus all your energy not on fighting the old, but on building the new.
酸和碱是互补的;没有另一个,一个就无法存在。
在这个行业,你要么适应变化,要么成为风景的一部分。
"Humor is the best way to connect with kids."