Definition: The belief of Roman Catholics and others ... a condition or place in which the souls of those dying penitent are purified from venial sins, or undergo the temporal punishment that, after the guilt of mortal sin has been remitted, still remains to be endured by the sinner.

Luke 23:43 

43Jesus answered him, "I tell you the truth,
today you will be with me in paradise."

1 Peter 3:18

18For Christ died for sins once for all, the righteous for the unrighteous, to bring you to God. He was put to death in the body but made alive by the Spirit,

Hebrews 9:15

15For this reason Christ is the mediator of a new covenant, that those who are called may receive the promised eternal inheritance—now that he has died as a ransom to set them free from the sins committed under the first covenant.

Ephesians 2:8-9

8For it is by grace you have been saved, through faith—and this not from yourselves, it is the gift of God— 9not by works, so that no one can boast.