The best advertisement is a good product

The best advertisement is a good product A good example is the best sermon a good book is the best companion的翻译 "A good example is the best sermon"是什么意思? Hope is a good thing and maybe the best of things.为什么best后面要 辩论赛：is Advertisement good for our life Hope is a good thing,may be the best of things,and no good t Hope is a good thing,maybe the best thing and no good thing 翻译Hope is a good thing,maybe the best of things,and no good Hope is a good thing,maybe the best of things,and no good th Dream is a good thing,maybe the best of things and no good t Holp is a good things,maybe the best of things.And no good t