If you get up in the morning and think the future is going to be better, it is a bright day. Otherwise, it's not.
如果你早上起床时认为未来会更好，那就是美好的一天。否则，就不是。
我在数学上花费的时间越多，我就越感到兴奋。
一般来说，嫉妒、怨恨和自怜都是灾难性的思想模式。自怨自艾与偏执狂相当接近，而偏执狂是最难扭转的。
凡是能冲上去、能散发出来的焰火，都是美丽的。
荒野是一个充满教训的地方。要生存，你必须从中学习。
Optimists tend to interpret their troubles as transient, controllable, and specific to one situation. Pessimists, on the other hand, believe that their troubles last forever, undermine everything they do, and are uncontrollable.
