国家财富的增长主要取决于生产力的提高。
学习不仅仅是存储信息的问题;它是一个改变我们思维方式的过程。
老师声称代数是完美而自然的、我们应无条件地接受它,而我甚至不能理解什么是数。对我来说数学课完全就是恐怖和折磨。我完全不理解代数,这使我胆怯得不敢问任何问题。
量子场论是粒子物理学定律的表述语言。
"The goal is not to mourn the lost futures, but to use them as a resource for the struggle to come."
I'm a catalyst for change... You can't be an outsider and be successful over 30 years without leaving a certain amount of scar tissue around the place.
世界上最好的教育就是观看大师们工作。
"We live in a world where walls have ears and the ground has eyes."