- Proverbs 2:2
- So that thou incline thine ear unto wisdom, and apply thine heart to understanding.
- Ecclesiastes 7:25
- I applied mine heart to know, and to search, and to seek out wisdom, and the reason of things.
- 1 Thessalonians 5:21
- Prove all things.
- Proverbs 3:5
- Trust in the LORD with all thine heart; and lean not unto thine own understanding.