A proposition is an assertion that something is or is not the case.

The best way to predict the future is to create it.

在热闹繁华中如果能够保持理性，才不至于迷失，也就省去了许多徒慕虚荣的苦心；困境中，在人生的低谷期，若能保持一份乐观，才会有一番更为真切的人生感悟。

切勿对已经敞开心胸的人闭上双唇。

Sustainability isn't a trend; it's a responsibility.

In the end, you’re measured not by how much you undertake but by what you finally accomplish.

儿童的进步不是取决于年龄，而是取决于能够自由地观看他周围的一切。