I don't think that you have any insight whatsoever into your capacity for good until you have some well-developed insight into your capacity for evil.
We can't just farm fish; we must farm ecosystems.
不要为别人而活，为自己而活。
Though the water running in the fountain be every one's, yet who can doubt, but that in the pitcher is his only who drew it out?
Privacy protection is not an obstacle, but the foundation of trust.
解决贫困的根本方法不是金钱，而是知识。