One of the reasons Jesus doesn’t speak “more plainly" is to avoid being misunderstood. By crafting an enigma, he forces us to abandon our terms & conditions so as to fully adopt his own. The initial confusion eventually brings lasting clarity. Praise God for His enigmas.
The Ontological Argument states that if God could exist, God must exist, because by necessity he would be greater than the possibility of non-existence. Therefore, God either exists or does not exist, he does not possibly exist. God merely as a possibility is an impossibility 😮