阅读只为心灵提供知识的材料；是思考使我们所读的东西成为我们自己的。
Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.
The goal of the future is full unemployment, so we can play. That's why we have to destroy the present politico-economic system.
A picture must be primarily about itself and not about something else.
每一颗播下的种子都是对未来的承诺。
当一盏灯熄灭时，比它从未亮起时要黑暗得多。