There is a series of songs in his collection which might be respectively entitled 'Memento mori' and 'Memento vivere.' From Project Gutenberg Now, Nietzsche voiced the revolt of those temperaments whose ears were attuned rather to "Memento vivere" than "Memento mori." From Project Gutenberg His...
It's a lexical orphan that comes with two idiomatic phrases, memento mori "a reminder of the inevitability of death" and memento vivere "a reminder of the pleasures of life". In Play: Mementos are remembrances of the past: "Maude Lynn Dresser was a pack-rat whose home was filled to ...