Ye dissembled in your hearts - Or, “ye have led yourselves astray,” i. e., your sending me to ask counsel of God was an act of self-delusion. You felt so sure that God would direct you to go into Egypt, that now that He has spoken to the contrary, you are unable to reconcile yourselves to it.
Related Commentaries of Jeremiah 42:20
Jeremiah 42:20
20 For ye dissembledc in your hearts, when ye sent me unto the LORD your God, saying, Pray for us unto the LORD our God; and according unto all that the LORD our God shall say, so declare unto us, and we will do it.