The phrase 'religious affirmation' is correct and usable in written English.
You can use it when you are referring to an act that involves expressing a strong belief in a certain religion or divine power. For example, "The family gathered in the chapel for a religious affirmation ceremony."
The religious affirmation of fear and dread of a higher being is indeed alien to the humanist view of the world.
"Human life has value, and any scientific theory that even appears to deny this central religious affirmation will alienate people of faith and create opportunity for those who would rally believers against evolution". The precise ways in which scientists should change their communication strategies vary from issue to issue, but there are some common themes.
Now the affirmation includes religious affirmation.
The concept itself is not philosophical at all; it is a religious affirmation that a true Christian must allow Christ's spirit (or "philosophy") to permeate every facet of his life, that Christianity must become a way of life, not just a set of formal doctrines and external ceremonies.
Peoplehood comes first and is completely independent of any kind of religious affirmation.
The scene sounds like one from "The Godfather". Except that beyond deception and violence, legitimate rule requires a religious affirmation.
The novel's huge success stemmed, it may be, as much from its vivid religious affirmations as from its attack on slavery.
Shakespeare was no doubt happy to borrow from it because it has a quality of desolation (despite its religious affirmations) that he wanted Macbeth to feel and transmit at the end of his life.
Of course it remains the case that no one is going to argue for establishing a state church or for compelling citizens to make religious affirmations (although the pledge of allegiance with the phrase "under God" arguably does that), but short of those extreme and unlikely eventualities, the wall of separation has not only been breached but dismantled.
Among its many religious affirmations, Cru states "that God has called us to help build... spiritual movements everywhere, so everyone knows someone who truly follows Jesus Christ".
The new Open Letter is grounded in diverse religious traditions affirmation that "humanity is created in the divine image and that life is sacred".
