永远不要低估渐进式改进的力量。
Never underestimate the power of incremental improvements.
Survival can be summed up in three words—never give up. That's the heart of it really. Just keep trying.
if you are walking in the hell, keep walking!
The worst thing that can happen to a human being is to lose hope.
"The greatest glory in living lies not in never falling, but in rising every time we fall."
一个社会文化系统的行为基础设施是其上层建筑的主要原因。