The preaching of the Gospel in guided providence of God, its going to be either a savor of life unto life, for the saved, or a savor of death unto death to the perishing lost 1 Cor 1:18
18 For the preaching of the cross is to them that perish foolishness; but unto us which are saved it is the power of God.
Notice the preaching of the cross is to them which are saved, the power of God Rom 1:16 but of you aren't saved, and lost, its foolishness
The power of God for those who believe will save
Eph 2:8–9 For by grace you have been saved through faith; and that not of yourselves, it is the gift of God; not as a result of works, so that no one may boast.
John 5:24 “Truly, truly, I say to you, he who hears My word, and believes Him who sent Me, has eternal life, and does not come into judgment, but has passed out of death into life.
John 11:25–26 Jesus said to her, “I am the resurrection and the life; he who believes in Me will live even if he dies, and everyone who lives and believes in Me will never die. Do you believe this?”
Gal 2:20 I have been crucified with Christ; and it is no longer I who live, but Christ lives in me; and the life which I now live in the flesh I live by faith in the Son of God, who loved me and gave Himself up for me.
1 John 5:11–12 And the testimony is this, that God has given us eternal life, and this life is in His Son. He who has the Son has the life; he who does not have the Son of God does not have the life.
John 3:16 “For God so loved the world, that He gave His only begotten Son, that whoever believes in Him shall not perish, but have eternal life.
Rom 5:1 Therefore, having been justified by faith, we have peace with God through our Lord Jesus Christ,
Rom 10:9–10 that if you confess with your mouth Jesus as Lord, and believe in your heart that God raised Him from the dead, you will be saved; for with the heart a person believes, resulting in righteousness, and with the mouth he confesses, resulting in salvation.
Gal 3:11 Now that no one is justified by the Law before God is evident; for, “The righteous man shall live by faith.”
Hab 2:4“ Behold, as for the proud one, His soul is not right within him; But the righteous will live by his faith.
Rom 1:17 For in it the righteousness of God is revealed from faith to faith; as it is written, “But the righteous man shall live by faith.”
Heb 10:38 But My righteous one shall live by faith; And if he shrinks back, My soul has no pleasure in him.
John 3:36 He who believes in the Son has eternal life; but he who does not obey the Son will not see life, but the wrath of God abides on him.”
John 6:47T ruly, truly, I say to you, he who believes has eternal life.
1 John 5:1 Whoever believes that Jesus is the Christ is born of God, and whoever loves the Father loves the child born of Him.
Rom 6:4 Therefore we have been buried with Him through baptism into death, so that as Christ was raised from the dead through the glory of the Father, so we too might walk in newness of life.