So, why do we need Jesus?
The heart is deceitful above all things, and desperately wicked; who can know it?
As it is written: “There is none righteous, no, not one; there is none who understands; there is none who seeks after God. They have all turned aside; they have together become unprofitable; there is none who does good, NO, NOT ONE.”
...for all have sinned and fall short of the glory of God...
[Jesus said] For the hearts of this people have grown dull. Their ears are hard of hearing, and their eyes they have closed, lest they should see with their eyes and hear with their ears, lest they should understand with their hearts and turn, so that I should heal them.
For “whoever calls on the name of the LORD shall be saved."
...that if you confess with your mouth the Lord Jesus and believe in your heart that God has raised Him from the dead, you will be saved. For with the heart one believes unto righteousness, and with the mouth confession is made unto salvation.
And you He made alive, who were dead in trespasses and sins, in which you once walked according to the course of this world, according to the prince of the power of the air, the spirit who now works in the sons of disobedience, among whom also we all once conducted ourselves in the lusts of our flesh, fulfilling the desires of the flesh and of the mind, and were by nature children of wrath, just as the others.
Jesus said to him, "I am the way, the truth, and the life. No one comes to the Father except through Me."
Nor is there salvation in any other, for there is no other name under heaven given among men by which we must be saved.
(Jeremiah 17:9, Romans 3:10-12, Romans 3:23, Matthew 13:15, Romans 10:13, Romans 10:9-10, Ephesians 2:1-3, John 14:6, Acts 4:12)