The Langlands program is a testament to the beauty of mathematical abstraction.
读书人虽然有学问,但只有知行合一,把学问付诸于生活实践,才是最根本的。否则的话,就是《弟子规》上讲的“不力行,但学文,长浮华,成何人”了。
You can't build an empire without making a few enemies along the way.