Let us therefore be diligent to enter that rest, lest anyone fall according to the same example of disobedience. 12 For the word of God is living and powerful, and sharper than any two-edged sword, piercing even to the division of soul and spirit, and of joints and marrow, and is a discerner of the thoughts and intents of the heart. Hebrews 4:11-12
The writer once again gives instruction with a warning…be diligent: pay close attention to entering the rest of the Lord…take earnest heed and drift not away.
Pay attention to the Word of God, believe it and enter into the rest of the Lord by faith.
This is one of those, “don’t get it confused” warnings. The Lord warns that His Word has the power to penetrate the heart of man. The Word will let us know if we are people of faith. Why pay attention to the Word? Because “faith cometh by hearing, and hearing by the Word of God (Romans 10:17).” This is why 2 Corinthians 13:5 warns us, “Examine yourselves, to see whether you are in the faith. Test yourselves. Or do you not realize this about yourselves, that Jesus Christ is in you?—unless indeed you fail to meet the test!”
The test is administered by the Spirit of God according to the Word of God. The Word reveals sin and unbelief. The Psalmists cried out to the Lord:
Search me, God, and know my heart;
test me and know my anxious thoughts.
24 See if there is any offensive way in me,
and lead me in the way everlasting. Psalm 139:23-24
The following verses from Matthew’s Gospel comes to my mind and heart:
“Many will say to me in that day, Lord, Lord, have we not prophesied in thy name? and in thy name have cast out devils? and in thy name done many wonderful works?23 And then will I profess unto them, I never knew you: depart from me, ye that work iniquity.” Matthew 7:22-23
Every man breathing has reason to be diligent to enter the rest of the Lord as He hears, applies, and obeys the Word of God. Trust in not automatic. It must be properly fed, cared for, and lived out. Let us not neglect our salvation, our Savior, His Word or His Spirit.