You have to be ready to suffer and enjoy suffering.
Science is the most powerful tool for human beings to understand and transform the world.
时间总是充满惊喜,它以我们无法预料的方式流动。
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.