A calque of the Ancient Greek ἐν (en) τούτῳ (toutō) νίκα (nika) (en toutōi nika, “in this, victory”).
in hōc signō vincēs
- “in this sign thou wilt win”; “in this sign you will conquer”
- 1905, O. Henry, Telemachus, Friend
- The pink of her face was the in hoc signo of a culinary temper and a warm disposition, and her smile would have brought out the dogwood blossoms in December.