You can't honestly or safely say you can trust others when you can't even trust your own self. Anyone who has ever seen the depths of their own sin nature knows what I'm talking about. However, I find such security in a world chock full of deceit that I can trust Jesus. There was no deceit found in His mouth and it's impossible for Him to lie and He does not change. He has no dark side. So let our gaze be not on who we can't trust or what we can't control but Who is in control and the One who sees everything. Everything is laid bare before Him to who we must give an account. Let that strike a holy fear in us as well. Truly all other ground you are trying to stand on is sinking sand apart from Him. So when your world seems to fall apart because of betrayal, or even your own doing fall on the Only Solid Rock and let Him rebuild and use what the enemy meant for evil for His kingdom and His glory.
Not a word from their mouth can be trusted; their heart is filled with malice. Their throat is an open grave; with their tongues they tell lies. Psalm 5:9
Nothing in all creation is hidden from God's sight. Everything is uncovered and laid bare before the eyes of him to whom we must give account. Hebrews 4:13
"He committed no sin, and no deceit was found in his mouth." 1 peter 2:22
Do not tremble, do not be afraid. Did I not proclaim this and foretell it long ago? You are my witnesses. Is there any God besides me? No, there is no other Rock; I know not one." Isaiah 44:8
1 Corinthians 2:9-10
these are the things God has revealed to us by his Spirit. The Spirit searches all things, even the deep things of God.
For who knows a person's thoughts except their own spirit within them? In the same way no one knows the thoughts of God except the Spirit of God.