Cross reference
Proverbs 4:21
21 Let them not depart from thine eyes; Keep them in the midst of thy heart.
Proverbs 3:21
21 My son, let them not depart from thine eyes; Keep sound wisdom and discretion:
Proverbs 2:1
1 My son, if thou wilt receive my words, And lay up my commandments with thee;
Psalms 40:8
8 I delight to do thy will, O my God; Yea, thy law is within my heart.
Proverbs 3:3
3 Let not kindness and truth forsake thee: Bind them about thy neck; Write them upon the tablet of thy heart:
Proverbs 7:1-2
1 My son, keep my words, And lay up my commandments with thee.
2 Keep my commandments and live; And my law as the apple of thine eye.