"For he who is least among you all--he is the greatest." (Luke 9:48)
One the ten commands that God gave the Israelites was to not have any other idols or gods besides God.
"You shall not make for yourself an idol in the form of anything in heaven above or on the earth beneath or in the waters below." (Exodus 20:4)
My question to you today is this. Are you worshiping an idol? Before you answer, an idol does not have to be some foreign statue. It does not have to be a religious "god." Some examples might include you job, money, lusts, school, computer, and anything else that you love more then God. These are also idols.
If there is anything that is more important in your life then God you are committing idolatry. What do you do? You repent, confess your sin to God, and ask for forgiveness. He will forgive you, however you must continue to put God as first in your life, not something else.
Let me end with this verse talking about who will be outside heaven:
Outside are the dogs, those who practice magic arts, the sexually immoral, the murderers, the idolaters and everyone who loves and practices falsehood. (Rev. 22:15)
Let that verse be a warning to us.