μνήσθητι τίς μου ἡ ὑπόστασις → remember how short my time is
quā̆drĭgĕmĭnus: a, um, adj. quattuor-geminus,I fourfold, four (post-Aug.): cornicula, four, Plin. 8, 23, 35, § 85; cf. Sol. 27, 28.