The greatest cruelty is our casual blindness to the despair of others.
Small changes in incentives can lead to large changes in behavior.
世界悬于一线，那根线就是人的心灵。
一个人如果不讲信用，不知道他怎么能立身处世？就像牛车没有了輗，马车上没有了軏，还靠什么行走呢？
The best way to increase your positivity is to find positive meaning within your current circumstances.
Success is not final, failure is not fatal: It is the courage to continue that counts.