I went towards paradise so fearfully, as if a mistake had been made in the accounts there.

This couplet beautifully captures a profound sense of humility. The speaker describes approaching heaven with trepidation, almost fear. This hesitation isn't due to fear of heaven itself, but rather a deep feeling of unworthiness. It's as if the speaker believes there must have been an oversight or error in the divine accounting that led them to such a blessed place. It's a poignant expression of feeling undeserving of ultimate bliss, highlighting a humble heart that finds it hard to accept such a great reward.