老年人无所谓不信；中年人无所不疑；年轻人无所不知。
The old believe everything; the middle-aged suspect everything; the young know everything.
Happiness is not something ready made. It comes from your own actions.
Nothing is impossible, the word itself says 'I'm possible'!
Consciousness is not a thing, but a process.
To live is the rarest thing in the world. Most people exist, that is all.
数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。
悲观主义者在每个机会里看到困难。乐观主义者在每个困难里看到机会。
There is a crack in everything, that's how the light gets in.