人心之不同,如其面焉。
人心的差异,就像人的面孔一样各不相同。
地质学研究的真正魅力在于从已知到未知的思维锻炼。
I think that we communicate only too well, in our silence, in what is unsaid, and that what takes place is a continual evasion, desperate rearguard attempts to keep ourselves to ourselves.
我认为生活中最重要的事情就是忠于自己。
The people are the roots of the revolution. Without the people, the revolution cannot succeed.