How Can I Be Sure Of You

The other day a friend of mine said He said, the sun's not really yellow He said, the sun is really red I said, my friend, what do you mean? You read that in some magazine? Next thing you'll say the earth's not green How can I be sure of you? When you know the world's always changing Rearranging, always changing, changing I said, my friend, how do you do And what you're saying isn't true The next thing you'll say the earth is blue He said, my friend, you're in a dream And things are never what they seem Oh, things are never what they seem How can I be sure anymore? When the world's always changing Rearranging, changing