A book is a mirror: if an ape looks into it, an apostle is unlikely to look out.
书是一面镜子：如果一只猿猴往里看，不太可能有一位使徒往外看。
可持续性不是成本中心；而是我们这代人尚未开发的最大利润池。
Injustice is relatively easy to bear; what stings is justice.
Hope is not a feeling; it is a doable thing.
来吧，我的朋友，寻找更新的世界尚为时不晚，我决心已定，要驶过夕阳尽头，尽管我们不再有昔日的伟力，可以震天撼地，我们仍有着，同样的英雄的心，时间和命运使它衰老，但坚强意志仍在，让我们去奋斗，去探索，去发现，永不屈服。
When you say 'yes' to others, make sure you are not saying 'no' to yourself.
Education is not about filling a bucket, but about lighting a fire.
简单不是缺乏复杂，而是对复杂的解决。