一个人需要相当的知识才能意识到自己的无知程度。
It takes considerable knowledge just to realize the extent of your own ignorance.
A mind needs books like a sword needs a whetstone.
The most important questions in life often have no answers, and we must learn to live with them.
.I’m playing against great players, playing against the best in the world. The competition - that’s what I’ve always wanted..