The closer you are to death, the more alive you feel.
The best teacher is the one who suggests rather than dogmatizes, and inspires his listener with the wish to teach himself.
The more you sweat in peace, the less you bleed in war.
The most sustainable forest is one that's valued by the community that depends on it.
It is absurd to say that we have a duty to be benefited.
我不与他人竞争，我与自己竞争。
Mathematics is not a spectator sport. You have to do it to understand it.
传记的挑战不仅在于记录，更在于照亮。