If you can't understand why someone is doing something， look at the consequences of their actions， whatever they might be， and then infer the motivations from their consequences.
如果你不能理解某人为什么要做某事，那么看看他们行为的后果，不管他们可能是什么，然后从他们的后果中推断出动机。
科学的美妙之处在于它让我们能够探索未知，并做出可以改变世界的发现。
人生就像一场逆行的旅程，我也只是其中的一个过客。
Every mathematical problem is a puzzle waiting to be solved, and every solution is a step towards greater understanding.