ἡσυχιότης
From LSJ
οὐ δικαίως θάνατον ἔχθουσιν βροτοί, ὅσπερ μέγιστον ῥῦμα τῶν πολλῶν κακῶν → unjustly men hate death, which is the greatest defence against their many ills | men are not right in hating death, which is the greatest succour from our many ills
English (LSJ)
ητος, ἡ,= ἡσυχία, Id.Chrm.159b, 159d; ἡ. τινός his
A quiet disposition, Lys.26.5.