Lesson #1: People will take things away from you suddenly and knock you down. What's important is how you get back up.
Lesson #2: After you get back up, prepare to be knocked right back down.
Clearly, by the way the dad runs over afterwards, he did not mean to flatten his kid with the harsh reality of life. Nevertheless, the Internet has seized upon this gif as the visual description of what it's like to find out about the world. The only real question is why he made that first kick. Did he mean for both his fast blue son and slower orange son to faceplant? I think he thought they would just chase it, and he didn't react to their fall because he has kids and kids fall constantly because they're dumb and their heads are huge and unwieldy.
Like a surprising number of videos in 2015, this clip originally reached the Web through AFV, which is a good contender for "Top 90s Brand You Never Thought Would Be Relevant In The Internet Age."