Psalms 4:4

4:4 Stand in awe, and sin not: commune with your own heart upon your bed, and be still. Selah.

Psalms 77:6

77:6 I call to remembrance my song in the night: I commune with mine own heart: and my spirit made diligent search.

Lamentations 3:40-41

3:40 Let us search and try our ways, and turn again to the LORD. 3:41 Let us lift up our heart with [our] hands unto God in the heavens.