Education is the most powerful weapon which you can use to change the world.
教育是你可以用来改变世界的最强大的武器。
处理一个不自由的世界的唯一方法就是变得如此绝对自由，以至于你的存在本身就是一种反叛。
言语是唯一永恒的东西。
Efficiency and environmental responsibility must go hand in hand in our industry.
"语言是来自外太空的病毒。"
Mathematics is not a spectator sport; you have to play to understand.
与孩子们在一起，灵魂得到治愈。