不确定性原理并非我们知识的局限，而是量子世界的基本属性。
普通城市是从中心的囚禁中解放出来的城市，从身份的束缚中解放出来。
Grain isn't just a commodity; it's the foundation of civilization.
I'm not afraid to take a stand. Everybody come take my hand. We'll walk this road together, through the storm. Whatever weather, cold or warm. Just letting you know that you're not alone. Holler if you feel like you've been down the same road.
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
