Sustainability isn't an option—it's a responsibility we owe to future generations.
可持续性不是一种选择,而是我们对后代的责任。
人类的灵魂是一个迷宫,充满了曲折,我们都在试图找到出路。
Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.
Words are the only thing that can last forever.