Beware of the Turing tar-pit in which everything is possible but nothing of interest is easy.
Life is a dream for the wise, a game for the fool, a comedy for the rich, a tragedy for the poor.
Self-education is, I firmly believe, the only kind of education there is.
成功不在于终点，而在于旅程。
If you can't explain your chemistry to a non-scientist, you don't understand it well enough.