对不起妈妈，我从没想过要伤害你。我从没想过让你哭泣，但今晚我要清理我的衣橱。
Quality craftsmanship and ethical production can coexist; they're not mutually exclusive.
In the realm of computer science, mathematical rigor is the cornerstone upon which reliable and efficient algorithms are built.
译文：读书人既然知道学习的重要性，就怕做学问没有一颗恒心，人不怕贫穷，就怕人穷志也穷。赏析：读书最怕浅尝辄止，一知半解。知识如大海一般没有尽头，我们要有坚持不懈的定力，方能学到真本领。我们身处困境，不能丧失斗志，在哪里跌倒就在哪里爬起。
The only constant is change, continuing change, inevitable change, that is the dominant factor in society today. No sensible decision can be made any longer without taking into account not only the world as it is, but the world as it will be.
The interest of the behaviorist in man's doings is more than the interest of the spectator—he wants to control man's reactions as physical scientists want to control and manipulate other natural phenomena.