ο φίλος τον φίλον εν πόνοις και κινδύνοις ου λείπει → a friend does not abandon his friend in difficulties and in danger, a friend in need is a friend indeed
P. and V. πολλάκις, θαμά (Plato), P. συχνόν, συχνά, Ar. and V. πολλά, Ar. and P. πυκνά.