Profit should never come at the expense of people or the planet.
利润永远不应该以牺牲人或地球为代价。
Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.
The one thing that you have that nobody else has is you. Your voice, your mind, your story, your vision. So write and draw and build and play and dance and live as only you can.
The dead are not gone; they are part of us.
知识的最大敌人不是无知，而是知识的幻觉。