This is basically true. If people remembered this - that their memes are not so precious as they think - there would be a lot less complaining about reposts etc.
MAKING A GOOD MEME IS LIKE PLANTING A SEED FOR A TREE; IT GROW'S AND GROW'S AND GETS BIG WITH ALL THE UP VOTES ON EVERY BRANCH; AND THEN WHEN YOUR TREE GETS BIG ENOUGH SOMEBODY WILL CHOP IT DOWN AND BURN THE LOGS THE MAKE FROM IT AN NOBODY WILL REMEMBER YOUR TREE