每个物品都有声音,如果你知道如何倾听。
对付不自由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。
Mathematics is the art of giving the same name to different things.
Sustainability is not an option; it's a responsibility we owe to future generations.
"The past is a shadow that follows us, but it is also a light that guides us."