Proverbs 3:5
Trust in Yahweh with all your heart, and don't lean on your own understanding.
WEB
Trust in the LORD with all thine heart; and lean not unto thine own understanding.
KJV
What Proverbs 3:5 means
It means to rely on God with your whole heart instead of leaning on your own limited understanding.
The proverb pairs full trust in God with a caution about over-trusting our own insight. It does not forbid thinking; it places human understanding under God's. The following verse promises that this kind of trust leads to straight paths.