When Adam sinned, sin entered the entire human race. His sin spread death throughout all the world, so everything began to grow old and die, for all sinned.
Romans 5:12 (TLB)

For I was born a sinner, yes, from the moment my mother conceived me.
Psalm 51:5 (NLT)

But anyone who believes that something he wants to do is wrong shouldn’t do it. He sins if he does, for he thinks it is wrong, and so for him it is wrong. Anything that is done apart from what he feels is right is sin.
Romans 14:23 (TLB)

The person who keeps on sinning is guilty of not obeying The Law of God. For sin is breaking The Law of God.
I John 3:4 (NLV)

When people sin, they earn what sin pays, death. But God gives his people a free gift, eternal life in Christ Jesus our Lord.
Romans 6:23 (ERV)

But now God has shown us a way to be made right with Him without keeping the requirements of the law, as was promised in the writings of Moses and the prophets long ago.
Romans 3:21 (NLT)

We are made right with God by placing our faith in Jesus Christ. And this is true for everyone who believes, no matter who we are.
Romans 3:22 (NLT)

For everyone has sinned; we all fall short of God’s Glorious Standard.
Romans 3:23 (NLT)

Christ has no sin. But God made Him become sin. God did this for us so that in Christ we could become right with God.
II Corinthians 5:21 (ICB)

Jesus died in our place to take away our sins. And Jesus is The Way that all people can have their sins taken away, too.
I John 2:2 (ICB)

If we say that we have not sinned, we are fooling ourselves, and the truth isn’t in our hearts.
I John 1:8 (CEV)

But is we confess our sins to God, He can always be trusted to forgive us and take our sins away.
I John 1:9 (CEV)