Sustainability isn't an option; it's a responsibility we owe to future generations.
最大的谜团是我们自己创造的谜团。
"The world is full of stories, but the stories are all one."
The only limit to our realization of tomorrow is our doubts of today.
唯一真正的监狱是恐惧,唯一真正的自由是从恐惧中解脱。