Make sure that you watch the end; proves Psalms 14:1 The fool hath said in his heart, There is no God. It says the fool SAID, not believes. The fools says there is no God, but he doesn't really believe it, he is a liar. How do I know? God told us.
Romans 1:20 For the invisible things of him from the creation of the world are clearly seen, being understood by the things that are made, even his eternal power and Godhead; so that they are without excuse: