During Sunday school, we discussed why Christians are permitted and able to come to a holy God in prayer at all, using these verses:
Therefore, brothers, since we have confidence to enter the holy places by the blood of Jesus, by the new and living way that he opened for us through the curtain, that is, through his flesh, and since we have a great priest over the house of God, let us draw near with a true heart in full assurance of faith, with our hearts sprinkled clean from an evil conscience and our bodies washed with pure water. Let us hold fast the confession of our hope without wavering, for he who promised is faithful.
— Heb. 10:19-23
Thanks, Eric Channing, for reminding us of the great privileges that believers enjoy in Christ.