科学应该为人类服务,而不是反过来。
推动的关键是使期望的行为更加突出、更容易和更有吸引力。
If a man will begin with certainties, he shall end in doubts; but if he will be content to begin with doubts, he shall end in certainties.
我们对显而易见的事物视而不见,而且对自己的盲目也视而不见。
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.