我感激每一次经历,无论好坏,因为它们塑造了我。
The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it and he delights in it because it is beautiful.
好老师不是注满一桶水,而是点燃一把火。
I like to be a free spirit. Some don’t like that, but that’s the way I am.