Your best teacher is your last mistake. Posted on May 24, 2014May 24, 2009 by admin “Your best teacher is your last mistake.” — Ralph Nader Author: Ralph Nader Category: best Tags: best, Ralph Nader Spread the love Related posts: Cheerfulness is the best promoter of health All significant truths are private truths. As I think the best place to work Grow old with me! The best is