Originally Posted by: CROUCHING TIGER 
I don't think that this man who killed himself near Notre Dame de Paris believed in God because suicide is condemned by the catholic religion. That is why you might be right be saying that he made a foolish act according to the religious point of view. But for himself it was an act of courage.
So he made a sin, he won't be burried with the presence of a priest.
According to the theology of the Roman Catholic Church, the Catechism of the Roman Catholic Church, Number 2283 states, "We should not despair of the eternal salvation of persons who have taken their own lives. By ways known to him alone, God can provide the opportunity for salutary repentance. The Church prays for persons who have taken their own lives." However, the catechism points out that, "Grave psychological disturbances, anguish, or grave fear of hardship, suffering, or torture can diminish the responsibility of the one committing suicide." The Catholic Church used to state that suicide was a sin, and that persons committing suicide could not have a Catholic service and burial. However, the Church has since changed this point of view.
Eastern Orthodoxy, on the other hand, has never made any absolute statement about people who commit suicide. There have been those in the history of the Church that have killed themselves rather than be tortured and demoralized by invaders (see Dance of Zalongo). They also feel that perpetrators of suicide are most likely “not in their right minds” and that God will have mercy on them. In any case the Orthodox Christians leave the fate of suicide victims up to God and avoid making judgements.[citation needed]
In The Church of Jesus Christ of Latter-day Saints, suicide is viewed as wrong, although the victim may not be considered responsible for the act depending on the circumstances.
Some other denominations of Christianity may not condemn those who commit suicide per se as committing a sin, even if suicide isn't viewed favorably; factors such as motive, character, etc. are believed to be taken into account. One such example is the The New Church.
In early Christian traditions, attitudes to suicide were notably different from today. In the fourth century, after several Christian women had committed suicide to avoid rape, Bishop Augustine declared that they had done "what was right in the sight of God". During the years of Jewish persecution of Christians, many Christians chose to become a martyr by committing suicide. This became so common that the Jewish rulers decided to ban public mourning for all those who died by suicide, and prevent Christian suicide victims from being buried on hallowed ground, in an attempt to stigmatise and discourage the practice.
In more modern times, Henry Pitney Van Dusen, the former president of New York's Union Theological Seminary and a presbyterian minister, signed a pact before committing suicide with his wife, Elizabeth. Both elderly, the Van Dusens believed that their increasing frailties prevented them from living the life they wanted to live, and believed that nursing homes were "virtual tombs" which artificially kept people alive who God may otherwise have allowed to die.[9]

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