愿望实现的关键在于感受它的真实性。
The key to the realization of desire is the feeling of its reality.
学者学习古人,开始时接触到的是粗浅的内容,中期接触到精华,最终领悟到其神妙变化。
The historian must be impartial, but not indifferent.
I'm not a person who likes to be in the middle.
The only way to learn mathematics is to do mathematics.