If you need statistics to find out what you are doing, you probably shouldn’t be doing it.
如果你需要统计才能知道你在做什么,那你可能不应该做这件事。
The personal example of a teacher is the most useful sunshine that nothing can replace for the soul of young people.
夜晚并不总是带来答案,但它总是带来正确的问题。