Free education is abundant, all over the Internet. It's the desire to learn that's scarce.
如今网络上到处都是免费的教育资源，真正稀缺的是对学习的渴望。
Life is 10% what happens to you and 90% how you react to it.
感恩将我们所拥有的变成足够。
气候变化对海洋生物构成最大威胁，我们必须立即采取行动减轻其影响。