Bible Verses about “our heart”

“¶ ‹Let not your heart be troubled: ye believe in God, believe also in me.›”

“‹In my Father's house are many mansions: if› [it were] ‹not› [so], ‹I would have told you. I go to prepare a place for you.›”

“The heart [is] deceitful above all [things], and desperately wicked: who can know it?”