know more or know less????

Well,if a person know more than other...izin't will be so annoying??hey,how to do that,how to do this.ya..it sometime could show how intelligent u are but in long term u will find it hard or fell like don't want to do it or get bored..maybe u think is a lazy ppl...but is true...The Worst Is when u doing great,nobody will praise u or say thanked you but the moment u done wrong...Wow,anything will come out...you are dumb,useless and etc...well isn't that seem unfair or in the ppl mind u are realy that kind or ppl??haha..sad..