Your work is going to fill a large part of your life, and the only way to be truly satisfied is to do what you believe is great work.
我们能做的最佳投资就是为后代的健康而努力。
数学不仅仅是人类的发明;它具有一种独立于我们而存在的深刻现实。
Only by mastering core technologies can we remain invincible.