If you want to fly, you have to give up what weighs you down.
凡是陽性必刚强,刚强一定光明,光明则容易了解。凡是陰性必柔弱,柔弱一定陰暗,陰暗则难以预测。
I'm like a dog, I don't speak but I understand.
科学以冒险的精神前进,总是寻求未知。
In mathematics, the art of proposing a question must be held of higher value than solving it.