Be Careful What You Wish, It Might Come True.
Be careful what you wish, it might come true.
Make a wish, it might come true.
Make a wish, it might come true. If it does, you'll wish it hadn't.
Be careful what you pretend to be - you just might become it.
Be careful what you wish for, you may get it. -- Uhura, "The Search for Spock," stardate 8210.3.
Be careful what you know... you might have to teach it one day. -- Fido Fishe
Be careful when throwing a boomerang - you might hit the back of your head.
Be careful of reading health books, you might die of a misprint. -- Mark Twai