链条的强度取决于它最薄弱的一环，而生活终究是一条链条。
A chain is no stronger than its weakest link, and life is after all a chain.
一本好的图画书就像一个好笑话——需要完美的时机。
The only thing I’m scared of is being average.
To feel much for others and little for ourselves； to restrain our selfishness and exercise our benevolent affections， constitute the perfection of human nature.
The beauty of mathematics lies in its ability to describe the universe in a language that transcends cultural and linguistic barriers.
The future of energy lies in balancing profitability with responsibility.
