We can know God exists because all people have an inner sense of God (Rom. 1:19–25) and because of the evidence found in Scripture and in nature. • We can know God truly, personally, and sufficiently, so we can know him as he is and have abundant and eternal life that comes from this knowledge (John 17:3). • But because God is infinite and we are finite, we can never fully or exhaustively understand any single thing about him (Ps. 145:1–3). • Sin will cause people to deny their knowledge of God,