In Job, chapter thirteen, verse fifteen, here is one of the most astounding declarations of faith in God’s goodness publicly. Whatever God allowed to happen to Job, whatever burden He laid upon Him, even though He should “slay” him, Job believed that God would not fail him. Paul similarly did express confidence in God’s love for His faithful people, as in Romans eight. Although the Lord may take away comfort after comfort, health destroyed, and waves of trouble may come upon us, through the grace of Jesus Christ and the power of His saving death, we can trust God with unwavering faith, convinced that He is right, just, as in Romans eight, verses thirty-seven through thirty-nine.
Job resolved to cleave to the testimony his conscience gave of his uprightness. He depended upon God for justification and salvation, the two great things we hope for through Christ. Temporal salvation he little expected, but of his eternal salvation, he was very confident that God would not only be his Saviour to make him happy, but his salvation, in the sight and enjoyment of whom he should be happy. He knew not to be a hypocrite and concluded that he should not receive rejection. We should be well pleased with God as a Friend, even when He seems to be against us. We must believe that all shall work for our good to us, even when all seems to be against us. We must cleave to God, though we cannot find comfort in him. In a dying hour, we must derive from Him living comforts, and this is to trust in Him, though he slay us.
Believers will undergo trials and testing. Slay in this situation does not mean that God is trying to get rid of us but to remove the carnal way of thinking and to grow spiritually to allow our spirit to lead and not the flesh.