write it on your heart that every day is the best of the year.

　　ralph waldo emerson. american thinker 铭记在心：每一天都是一年中最好的日子。

　　youth is a blunder; manhood a struggle; old age a regret.

　　benjamin disraeli, british tatesman 青年鲁莽犯错，中年奋斗不止，老年后悔无穷。

　　英国政治家迪斯雷里。 b.

　　a generation without a cause in its youth has no legacy in its old age.

　　eeward kennedy. american plliticia 一代人如果年轻时候没有事业，老了就不会有遗产可以传下去。

　　美国政治家肯尼迪.e.

　　age is a matter of feeling, not of years.

　　george william crutis, american witer 年纪只是个感觉的问题，而不是岁月的问题。

　　美国作家柯蒂斯.g.w.

　　an energetic middle life is ,i think, the only safe precursor of a vitally happy old age.

　　vida drtton sucader, averycan educator and writer 我认为，精力旺盛的中年生活是生气勃勃的幸福晚年的唯一可靠预兆。

　　美国教育家、作家斯卡德.v.d.

　　as soon as you feel too old to do a thing, do it.

　　m.deland, american writer 一旦你觉得做某件事年纪太大了，赶紧做它。

　　美国作家迪兰.m.

　　at twenty years of age, the will reigns; at thirty, the wit; and at forty, the judgement.

　　benjamin franklin, american president 二十岁时起支配作用的是意志，三十岁时是机智，四十岁时是判断。

　　美国总统富兰克林. b.

　　do you love life? then do not squander time; for that's the stuff life is made of .