Repentance begins in the humiliation of the heart, and ends in the reformation of the heart and of the life. Sincere repentance is never too late, but late repentance is seldom sincere. The thief on the cross repented, and was pardoned in the last hour of his life. We have one such instance in scripture--that none might despair; and only one--that none might presume.
How would we know if we are spiritually immature when one of the symptoms of being earthly-minded is being blinded to our own condition? Much like losing your appetite can be a symptom of being malnourished. The following phrases from scripture could possibly wake us up, if we are, in fact, earthly-minded.