μνήσθητι τίς μου ἡ ὑπόστασις → remember how short my time is
aliquotiens ADV :: number of times, several times
ălĭquŏtĭēns,¹² adv., quelquefois : Cato Agr. 88 ; 152 ; Cic. Br. 217, etc. la forme aliquoties est sans autorité.