Etiamsi omnes, ego non is a Latin motto. The source is the phrase "Even if all others... I will not", Matthew 26:33–34) in the Latin Vulgate version of a phrase from the Gospel of Matthew. It contains the beginning and the end of the words of Peter to Jesus: "Even if all others desert you, I will not." The original Greek reads, "If all will take offence at you, I shall never take offence".[1]
It is the motto of the family of Clermont-Tonnerre;[2][3] the title of a poem by Ernest Myers[4] and the inscription on the tombstone of Italian philosopher Giuseppe Rensi.
A variant is Et si omnes ego non, as written on the door of Philipp von Boeselager's home,[5] highlighting the necessity of maintaining one's own opinion and moral judgement, even in the face of a differing view held by the majority (in particular, it refers to von Boeselager's dissent and resistance against Hitler during the Nazi dictatorship). The last part of the phrase, in its German translation, is the title of an autobiographical work of Joachim Fest: "Ich nicht".