"A writer's duty is to tell the truth, even when it is uncomfortable."

Customer needs are always the primary driver of technological evolution.

数学的本质不是使简单的事情复杂化，而是使复杂的事情简单化。

译文：做好事三年，外人很难知道，做坏事一天就会传遍十里八乡。赏析：人要做很多好事，或许才能积累一点好名声，但只需一件坏事就会让人身败名裂。所以，我们应该谨言慎行。