rigorously
From LSJ
Μὴ πρὸς τὸ κέρδος πανταχοῦ πειρῶ βλέπειν → Noli perpetuo vertere oculos ad lucrum → Gewinnsucht habe nirgendwo allein im Blick
sternly: P. σκληρῶς, σχετλίως, P. and V. πικρῶς; see pitilessly.
exactly, accurately: P. and V. ἀκριβῶς.