可能的原因,我不知道为什么,但我观察到了它。
All the choir of heaven and furniture of earth - in a word, all those bodies which compose the frame of the world - have not any subsistence without a mind.
The study of Galois representations is a bridge between number theory and geometry.
在和平时期,儿子埋葬父亲。在战争中,父亲埋葬儿子。