The only thing we can fully trust & believe in are the promises of God and His Word. We can’t trust our heart, for our heart can be duped and led to believe in untruths. (Jeremiah 17:9) We can’t trust our flesh, for our flesh fails us miserably to stand against falsehoods. (Matthew 26:41) Neither can we trust our mind, for our mind is depraved, corrupt, and evil. (I Timothy 6:5) We can’t even trust our conscience to correctly choose right from wrong when being led astray by false teachers. (I Timothy 4:2) Finally, we shouldn’t trust our friend’s personal opinions, biases, and slants/twists on God’s Word. (Psalm 41:9) The only thing we can fully trust in is God’s Word…for it is living, (Hebrews 4:12) fire, (Jeremiah 23:29 and flawless. (Proverbs 30:5)