O'REILLY: I'll tell you why [religion's] not a scam, in my opinion: tide goes in, tide goes out. Never a miscommunication. You can't explain that.

SILVERMAN: Tide goes in, tide goes out?

O'REILLY: See, the water, the tide comes in and it goes out, Mr. Silverman. It always comes in, and always goes out. You can't explain that.

The sun rises and the sun sets. The clock strikes twelve at noon and midnight. Neither of these prove the existence of God, but don't tell BillO. He'd be crushed under the weight of the moon's gravity.