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.

领导者的遗产是通过他们对行业和员工的影响来衡量的。

Science is not just about finding answers, but also about asking the right questions.

The world is in a constant state of flux. Nothing remains the same from one moment to the next. You can never step into the same river twice.

The truth is rarely pure and never simple.