一个试图教学而不激发学生学习欲望的教师,就像在冷铁上敲打。
The world needs energy, but it needs responsible energy more than ever.
"History is not just about dates and events; it's about the people who lived through them."
言语有治愈和毁灭的力量。
最好的想法往往来自于挑战现状。
The dialogue between science and society must be ongoing.