The mathematical formulation of a problem is often more essential than its solution, which may be merely a matter of mathematical or experimental skill.
问题的数学表述通常比其解决方案更重要，后者可能仅仅是数学或实验技巧的问题。
The books that the world calls immoral are books that show the world its own shame.
我们都有缺陷，这就是光进来的地方。
真正的智慧在于了解自己的无知。
The creative process begins with intuition and ends with logic.
在科学中，重要的不是获得新的事实，而是发现思考它们的新方法。