The laws of electricity are so simple that they can be expressed in a few lines, yet so various that their consequences can never be exhausted.
电的定律如此简单，可以用几行字表达，却又如此多样，其后果永远无法穷尽。
Don’t regret getting older. It’s a privilege denied to many.
管理是一门艺术，需要不断地学习和实践。
无知是一切邪恶的根源和树干。