answers is proverb or saying

[barmyarmy]

YMTOMFOMKYMA ...... thanks for any help forgot to add this one to the others ,thanks for help so far

[katburd]

young men think old men are fools,and old men know young men to be so ?

[Calibax]

Well done katburd, I think you've got it, but to fit the letters the version should probably be:
Young men think old men fools; old men know young men are.

[katburd]

I was just looking through a proverb book and just put it as it was, just to give an idea to go on. thanks calibax :)