ἐν ταῖς ἀνάγκαις χρημάτων κρείττων φίλος → it is better in times of need to have friends rather than money, a friend in need is a friend indeed (Menander, Sententiae monostichoi 143)
subs.
Assumption: P. ὑπόθεσις, ἡ, θέσις, ἡ. Assume (as hypothesis). v.: P. ὑπολαμβάνειν, ὑποτίθεσθαι. Be assumed as hypothesis: P. ὑπάρχειν, ὑποκεῖσθαι, V. ὑπεῖναι.