According to anecdote, Pope Pius was really intrigued by Lemaître's idea when they discussed it and said - Ahaa, fantastic! Finally, proof for a point of creation, should I put it in the official doctrine? And Lemaître was like "Nooo, that's not how science works, pops!"
The fool hath said in his heart, There is a God. They are corrupt, they have done abominable works, there is none that doeth good.
Psalm 14, KJV revised edition