现代物理学的挑战不仅在于理解宇宙,还在于理解我们在其中的位置。
The challenge of modern physics is not just to understand the universe, but to understand our place within it.
Technology is just a tool. In terms of getting the kids working together and motivating them, the teacher is most important.
You have to be willing to sacrifice, to put in the time and effort.
殖民主义没有结束,它只是换了衣服。