尊崇贤人,不重女色;孝敬父母能够尽心尽力;侍奉君主能够舍生忘死;与朋友交往能够做到说话讲信用。这样的人,虽然说没有学习过做人的道理,但我却认为他学过了。
Every word is a step into the unknown.
The world is a place of infinite complexity, and we are all just trying to make sense of it.
数学的快乐来自于为理解而奋斗。