Before I came here I was confused about this subject. Having listened to your lecture I am still confused. But on a higher level.
A true mathematician is always a student, always learning.
我喜欢在压力下比赛，我喜欢困难的情况。
一家公司真正的价值在于其适应和进化的能力。
You want to be extra rigorous about making the best possible thing you can. Find everything that's wrong with it and fix it. Seek negative feedback, particularly from friends.