"If you think the same way I do, one of us is unnecessary."
This quotation was recently passed on to me. I'm sorry to say that I don't know the name of the person who originally made this interesting statement, but I do think it is excellent for expressing the importance of personal differences.
Explore some of the difference between the members of your family. Does chocolate taste better than vanilla? Do you like roller coasters or the merry-go-round? Which are more intriguing, mystery movies or adventures? How else do you differ?
That cloud looks like a butterfly. Hmm, when I look at it, I see a dragon.