I don’t need a reason to be successful.
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.
数学的快乐来自创造的行为,而不仅仅是结果。
我总是试图在我讲述的每个故事中找到人性。