The incomprehensibility of God is the doctrine that the infinite God cannot be fully grasped by finite creatures. We can know God truly — because He has revealed Himself in Scripture and supremely in Christ — but we can never know Him exhaustively. There is always infinitely more of God than we have comprehended. This is not agnosticism; it is theological humility. The distinction matters: we can say true things about God without pretending to have mastered Him. Paul captured the doctrine in Romans 11: "Oh, the depth of the riches both of the wisdom and knowledge of God! How unsearchable are His judgments and His ways past finding out! For who has known the mind of the LORD?... For of Him and through Him and to Him are all things, to whom be glory forever. Amen" (Romans 11:33-36). Isaiah taught the same thing: "'For My thoughts are not your thoughts, nor are your ways My ways,' says the LORD. 'For as the heavens are higher than the earth, so are My ways higher than your ways, and My thoughts than your thoughts'" (Isaiah 55:8-9). The incomprehensibility of God has two practical consequences. First, humility in theology: any theologian who has a God small enough to fully understand is worshiping an idol. Second, wonder in worship: because God is always more than we have grasped, eternity will never be boring. "We shall see Him as He is" (1 John 3:2) is not the end of discovery but the beginning.