学习数学的唯一方法就是做数学。
I think I'm afraid to be happy...because whenever I get too happy, something bad always happens.
我从不担心行动的危险,我更担心不行动的危险。
在全球化竞争中,我们必须保持开放的心态和学习的态度。
"The best stories are the ones that make you feel alive."