Quote from Jennifer Van Allen, The Runner’s World Big Book of Running for Beginners: Lose Weight, Get Fit, and Have Fun! Leave a Comment / By Beautiful Quotes / March 15, 2022 There will be haters, there will be doubters, there will be non-believers, and then there will be you proving them wrong. Jennifer Van Allen, The Runner’s World Big Book of Running for Beginners: Lose Weight, Get Fit, and Have Fun!