τὸν τεθνηκότα μὴ κακολογεῖν → do not speak ill of the dead, speak no ill of the dead (Chilon the Spartan)
life: P. and V. ψυχή, ἡ.
grit: P. and V. θυμός, ὁ.
strength: P. and V. ἰσχύς, ἡ, ῥώμη, ἡ.
possess vitality, be strong, v.: P. and V. ἰσχύειν.