小小的行动，乘以数百万次，可以改变世界。
Small actions, multiplied by millions, can transform the world.
纪念碑是变化城市中的一个固定点。
Every line we draw has consequences in people's lives.
人类是一种非常奇特的生物。他认为自己有一个灵魂，但他就是一个灵魂；他有一个身体。
The process of verification is as important as the process of creation in computer science.
最可持续的采伐是让森林比我们发现时更健康。