When the youth have the experience as the old and the old have the viridity as the youth, life can be more enrichment.

• 1经验始终是收费高的学校，然而，笨汉非进此学校不可。Experience is a school of high 2 青年而有老年之经验，老年而有青年之朝气，就能使人生发挥更大的作用。