What stronger breastplate than a heart untainted!
Thrice is he armed that hath his quarrel just,
And he but naked, though locked up in steel,
Whose conscience with injustice is corrupted.
Source: Henry VI, Pt II, III. ii. (232).
-- William Shakespeare, (Apr 23 1564-1616), English dramatist, poet; He is considered the greatest writer in any language for his 154 sonnets and 37 plays, e.g., Hamlet, 1600.