The Supreme Court ruled on this issue in Marsh v. Chambers[1] in 1983, finding that the opening prayer is not an "establishment of religion" prohibited by the 1st amendment, but merely "a tolerable acknowledgment of beliefs widely held among the people of this country."
[1] http://www.oyez.org/cases/1980-1989/1982/1982_82_23/
Tagalog translation of opening prayer: Panimulang panalangin
Praying at the beginning of a church meeting is a common occurrence. The Lords Prayer is a good example of a prayer that would be recited at the opening of a meeting.
In the beginning God
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A sample opening prayer for a seminar would be thanking God for those who prepared it, asking for wisdom in the words that will be spoken, and an opening of the hearts of those in attendance to accept what is spoken.
You start with the prayer of the prophet
invocation
There are numerous prayers which accompany the Rite of Baptism, including an opening prayer, an optional prayer of exorcism, a prayer over the ears and mouth, etc.
Dear Jesus...
Surah al-Fatiha, or The Opening. It is very similar to the Lord's Prayer in the Bible.
" Prayer is the opening of the heart to God as to a friend.
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