每本书都是作者与读者之间的对话。
"Every book is a conversation between the author and the reader."
I always like to look on the optimistic side of life, but I am realistic enough to know life is a complex matter.
我从不担心行动。而只担心没有任何行动。
以客观角度来看,这个世界确实变得更好,但同时也变得更糟。前进一步,又倒退一步,仿佛宇宙在科技进步和文化倒退间达成平衡,使人类的进展呈钟形曲线。
The essence of mathematics lies in its freedom.
The challenge is not just to collect data, but to make sense of it in ways that improve lives.