艺术中没有必须，因为艺术是自由的。
译文：奢靡一发不可收拾，勤俭方能长久安乐。奢侈为凶，节俭为吉，这些征兆可以看得出来的。赏析：成由勤俭败由奢。家庭的成功离不开勤俭的好习惯，浪费铺张迟早会败掉万贯家财。勤俭持家会让家庭越来越兴旺发达，奢靡无度让家庭走向衰落，变得越来越凶险。
The function of entrepreneurs is to reform or revolutionize the pattern of production by exploiting an invention or, more generally, an untried technological possibility for producing a new commodity or producing an old one in a new way.
哲学是迫使我们面对最想回避问题的学科。
所有没有杀掉我的就只会令我更顽强！
Beauty of whatever kind, in its supreme development, invariably excites the sensitive soul to tears.