我不认为有什么极限。
I don't think limits.
数学不是观赏性运动——你必须参与其中才能欣赏它的美。
The books that the world calls immoral are books that show the world its own shame.
"The best books are the ones that make you see the world differently."
可持续性不是一种趋势;它是我们对下一代的责任。
Success is built on a foundation of failure.