The person who tries to live alone will not succeed as a human being. His heart withers if it does not answer another heart. His mind shrinks away if he hears only the echoes of his own thoughts and finds no other inspiration.

采石场不仅仅是一个坑，它是我们留给后代的遗产。

在计算机科学中，我们总是在寻找表达能力和可处理性之间的平衡。

译文：人生不能过于安逸闲散，有了可以不断追求的事业，才能收回安逸之心。日用花费必须要节俭，只有杜绝奢靡，才能彰显勤俭的美德。赏析：生于忧患死于安乐。逸豫可以亡身，忧劳可以兴国。一个人过于安逸，就会无所事事，丧失斗志。一粥一饭当思来之不易，半丝半缕恒念物力维艰。

有时候当狗还真难。

Not hammer-strokes， but dance of the water sings the pebbles into perfection。

真相是脆弱的，容易被打破。