It's Written in Stone is a phrase that is often used to describe something that is set in stone and cannot be changed. The two crossword solutions for this phrase are EPITAPH (7 letters) and Glyph (5 letters). An EPITAPH is a phrase or statement written in memory of a deceased person, usually inscribed on their tombstone. A glyph is a symbol or character that is used as a writing system, such as hieroglyphics.