hints:

最后的人名不用写

Friends are an aid to the young, to guard them from error; to the elderly, to attend to their wants and to supplement their failing power of action; to those in the prime of life, to assist them to noble deeds.
年轻的时候,朋友能帮助你,让你少犯错误;年老的时候,朋友能照顾你,让你老当益壮;风华正茂的时候,朋友能协助你,让你完成大业。