Everyone is in favor of free speech. Hardly a day passes without its being extolled， but some people's idea of it is that they are free to say what they like， but if anyone else says anything back， that is an outrage.

解释：能吞下船的大鱼，不会在细浅的溪水里遨游；在天空高飞的鸿鹄，不会在肮脏的水池栖息。

学无止境，“活到老，学到老”。“为之，人也；舍之，禽兽也。”学习，是人的本性，是人和禽兽的重要区别之一。学习，当然不只是书本上的知识。当今社会，社会发展的车轮呼啸前行，不积极学习就会被时代抛在后面。善于学习，才能掌握在现代社会的生存技能，才能适应社会的飞速发展。

成功不仅仅以利润来衡量，而是以我们创造的积极影响来衡量。

"What is a poet? An unhappy person who conceals profound anguish in his heart but whose lips are so formed that as sighs and cries pass over them they sound like beautiful music."

Mathematics is the queen of the sciences.

成功的关键是在事情看起来不可能的时候继续前进。