If we don’t act now, the next generation will inherit a world with fewer resources and greater challenges.

世界上充满了微小的善意，只要你知道在哪里寻找。

智慧来自于经验的积累和对这些经验的反思。

The only limit to our realization of tomorrow will be our doubts of today.

最危险的不是失败，而是自满。