In mathematics, truth is always relative to the system you're working in.
在数学中，真理总是相对于你所在的系统而言的。
最危险的谎言是我们对自己相信的那些。
We need to focus on the actual outcomes of policies, not just their intended effects.
I believe in being strong when everything seems to be going wrong. I believe that happy girls are the prettiest girls. I believe that tomorrow is another day and I believe in miracles.
道的真谛自有其恒常的规律，人若不能明白，必然会反复仰慕追求。
追求智慧的路上，没有终点。