Какой аналог у пословицы "Сто раз помоги - забудут. Один раз откажи - запомнят" на английском?

Hundred times help - will forget. Once refuse - will remember

HELP THEM A HUNDRED TIMES - THEY'LL FORGET IT - Refuse once - they'll remember it for the rest of their lives
http://www.demotivation.us/help-them-a-hundred-times-theyll-forget-it-1278359.html