, I came to the mujahadeen and I told them everything and we arranged together this attack to make the Americans understand that the belief of Allah, that eman which we hold, the fatwah that we strive for cannot be exchanged for all the wealth in the world."

VOA: standard.2010.01.09

Orbitals of equivalent energy, we strive for unpaired electrons.

相同能量轨道，我们找到不成对电子。

麻省理工公开课 - 固态化学导论课程节选