What’s the origin of the phrase ‘Faith will move mountains’?
From the Bible. It is recorded in the 1582 Rheims Bible, in Matthew XXI 21, as:
“If you shal haue faith, and stagger not, … and if you shal say to this mountaine, Take vp and throw thy self into the sea, it shal be done.”
See also: the List of Proverbs.