Psalm 24:3-4 Who shall ascend the hill of the LORD? And who shall stand in his holy place?
4 Those who have clean hands and a pure heart..
(On this psalm, see Parry, Donald W. “‘Who Shall Ascend into the Mountain of the Lord?’: Three Temple Entrance Hymns.” In Revelation, Reason, and Faith: Essays in Honor of Truman G. Madsen, edited by Donald W. Parry, Daniel C. Peterson and Stephen D. Ricks. Provo, UT: FARMS, 2002.)
On the heart as center of thought, see Robert North, “Did the Israelites Have a Heart?” Bible Review 11:03
Proverbs 6:18“a heart that devises wicked plans”
Isaiah 1:15. “when ye spread forth your hands, I will hide mine eyes from you: yea, when ye make many prayers, I will not hear: your hands are full of blood.”
Mosiah 2:4- “the Lord hath heard thy prayers and hath judged of they righteousness, and [therefore] hath sent me to” tell you these things.
Zoramites- Alma 31:14
Abraham 1:15-“as they lifted up their hands upon me, that they might offer me up and take away my life, behold, I lifted up my voice unto the Lord my God”