The true measure of a man's strength is how great of a father he is to his children. A great father should always be there to pick his children up when they fall down, and to cheer them on when they succeed. This message is best expressed in the video below. Though it's only a minute or so long, it says more than we ever thought possible about fatherhood.We love you, dad. (source YouTube)For all the dads and future dads out there, every time you get a little tired of your children, just take a quick second to watch this...