Salvation cannot be earned. Everyone is a sinner and deserves death, but God gives eternal life. We are saved because of the Grace of God. He loved us so, that he gave His only Son to die for us in order that we might have everlasting life.
Scriptures:
Romans 3:10 "As it is written, There is none righteous, no, not one ...."
Romans 3:23 "For all have sinned, and come short of the glory of God ...."
Romans 6:23 "For the wages of sin is death; but the gift of God is eternal life through Jesus Christ our Lord."
Romans 5:8-9 "But God commendeth his love toward us, in that, while we were yet sinners, Christ died for us. Much more then, being now justified by his blood, we shall be saved from wrath through him."
Romans 5:12 “Wherefore, as by one man sin entered into the world, and death by sin, so death passed upon all men, for that all have sinned.”
Romans 6:23: “For the wages of sin is death, but the gift of God is eternal life through Jesus Christ our Lord.”
Romans 10:9-10: “That if thou shalt confess with thy mouth the Lord Jesus, and shalt believe in thine heart that God hath raised him from the dead, thou shalt be saved. For with the heart man believeth unto righteousness; and with the mouth confession is made unto salvation.”
Romans 10:13: “For whosoever shall call upon the name of the Lord shall be saved.”
Supporting Scriptures:
But ye shall receive power, after that the Holy Ghost is come upon you: and ye shall be witnesses unto me both in Jerusalem, and in all Judaea, and in Samaria, and unto the uttermost part of the earth. (Acts 1:8)
For I am not ashamed of the gospel of Christ: for it is the power of God unto salvation to every one that believeth; to the Jew first, and also to the Greek. (Romans 1:16).