Create in me a clean heart, O God; and renew a right spirit within me.
Proverbs 3:5Trust in the LORD with all thine heart; and lean not unto thine own understanding.
Proverbs 4:23Keep thy heart with all diligence; for out of it are the issues of life.
Ezekiel 36:26A new heart also will I give you, and a new spirit will I put within you: and I will take away the stony heart out of your flesh, and I will give you an heart of flesh.
Matthew 5:8Blessed are the pure in heart: for they shall see God.