Jeremiah 17:5, “Thus saith the LORD; Cursed be the man that trusteth in man, and maketh flesh his arm, and whose heart departeth from the LORD.”

The background of this verse is Judah’s seeking the help of Egypt against Babylon. Judah’s leaders trusted their political allies and military strength instead of trusting in the power of God. To emphasize the difference, a barren bush in the desert is contrasted with a fruitful tree by the water (see v. 6; c.f. Psalm 1:3-4). Unbelief turns life into a dry wasteland. Trusting God regardless of the situation or the circumstances is what makes life a fruitful orchard. Fear of man and lack of trust in God always leads to ruin. The beginning of wisdom is the fear of the Lord, and faith is the victory that overcomes the world.