Christianity and Judaism
In contrast to the Jewish view of being morally balanced, Original Sin refers to the idea that the sin of Adam and Eve's disobedience (sin "at the origin") has passed on a spiritual heritage, so to speak. Christians teach that human beings inherit a corrupted or damaged human nature in which the tendency to do bad is greater than it would have been otherwise, so much so that human nature would not be capable now of participating in the afterlife with God. This is not a matter of being "guilty" of anything; each person is only personally guilty of their own actual sins. However, this understanding of original sin is what lies behind the Christian emphasis on the need for spiritual salvation from a spiritual Saviour, who can forgive and set aside sin even though humans are not inherently pure and worthy of such salvation. Paul the Apostle in Romans and I Corinthians placed special emphasis on this doctrine, and stressed that belief in Jesus would allow Christians to overcome death and attain salvation in the hereafter.
Vanity
In many religions, vanity, in its modern sense, is considered a form of self-idolatry in which one likens oneself to the greatness of God for the sake of one's own image, and thereby becomes separated and perhaps in time divorced from the Divine grace of God. In Christian teachings, "vanity" is an example of pride, one of the seven deadly sins. Also, in the Bahai Faith, Baha'u'llah uses the term 'vain imaginings'.