People may answer this question in different ways. This is how the Bible answers it. You can't go to heaven without God's forgiveness. A - stands for available .
Forgiveness is available to all.
I - stands for impossible . It is impossible for God to allow sin into heaven. The Bible word for turn is repent. This means that we must turn away from sin and selfish desires and toward Jesus. Heaven means life , both here and in the hereafter.