Bible Verses About Access to God: Vouchsafed to repenting sinners

Take with you words, and turn to Jehovah, Say ye unto Him: `Take away all iniquity, and give good, And we do render the fruit of our lips.

And also now--an affirmation of Jehovah, Turn ye back unto Me with all your heart, And with fasting, and with weeping, And with lamentation.