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 5:12
Wherefore, as by one man sin entered into the world, and death by sin; and 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 5:8
But God commendeth his love toward us, in that, while we were yet sinners, Christ died for us.
(commendeth = demonstrates, to show the love that God has for us through His son Jesus)
Romans 10:9-13
9 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.
10 For with the heart man believeth unto righteousness; and with the mouth confession is made unto salvation.
11 For the scripture saith, Whosoever believeth on him shall not be ashamed.
12 For there is no difference between the Jew and the Greek: for the same Lord over all is rich unto all that call upon him.
13 For whosoever shall call upon the name of the Lord shall be saved.
See also:
Repentance – Is it necessary in order to get saved?