If you're not stubborn， you'll give up on experiments too soon. And if you're not flexible， you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve.
You have a dream, you got to protect it.
最好的发现来自于提出正确的问题。
“唯一真正不朽的是人类的遗产。”
The true revolutionary is guided by a great feeling of love.
The past is always there, and it's always different every time you look at it.
You never lose a dream; it just incubates as a hobby.