οὐκ ἐν τῷ πολλῷ τὸ εὖ, ἀλλ' ἐν τῷ εὖ τὸ πολύ → good is not found in plenty but plenty in good, quality matters more than quantity
painfully: P. and V. λυπηρῶς, πικρῶς, ἀλγεινῶς, V. λυπρῶς.
of cold: use exceedingly.
in a hostile way: P. ἐχθρῶς, πολεμίως.
cruelly: P. and V. πικρῶς, P. σχετλίως, ὠμῶς, Ar. and P. χαλεπῶς.