I am not wise, but I have learned a great deal simply by staying alive.
数学之美在于它能够将复杂的事物简化。
You can't trust code that you did not totally create yourself.
"The best advice I can give is just to be yourself and have fun."
儿童的一切教育都必须遵循一个原则，即帮助孩子身心自然的发展。
我们必须在经济增长和环境管理之间取得平衡。