The basis of a democratic state is liberty.
民主城邦的基础是自由权。
物理学的美丽在于它能够揭示宇宙表面复杂性之下的深刻简单性。
不要被紧迫性的专横牵着鼻子走,做事应该要基于对重要性的评估。
I don't believe in retirement. I believe in continuing to work as long as you're able.