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。
If you worried about falling off the bike, you'd never get on.
我相信音乐的力量可以治愈和激励人。
人性的弱点总是充满贪婪、恐惧或者是愚蠢，这是完全可以预测的，但是我们无法预测这种人性弱点的发生顺序。