“To me, no blazon on a foeman's shield
Shall e'er present a fear! such pointed threats
Are powerless to wound; his plumes and bells,
Without a spear, are snakes without a sting.”
Source: Seven Against Thebes (467 BC), lines 397–399 (tr. E. D. A. Morshead)
Original
κόσμον μὲν ἀνδρὸς οὔτιν᾽ ἂν τρέσαιμ᾽ ἐγώ, οὐδ᾽ ἑλκοποιὰ γίγνεται τὰ σήματα λόφοι δὲ κώδων τ᾽ οὐ δάκνουσ᾽ ἄνευ δορός.
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Aeschylus 119
ancient Athenian playwright -525–-456 BCRelated quotes

“… for the shield may be as important for victory, as the sword or spear.”
Source: The Origin of Species

“Then rushed to meet the insulting foe;
They took the spear, but left the shield.”
To the Memory of the Americans who fell at Eutaw. Compare: "When Prussia hurried to the field, And snatched the spear, but left the shield", Sir Walter Scott, Marmion, Introduction to canto iii.

“When Prussia hurried to the field,
And snatch'd the spear, but left the shield.”
Canto III, introduction.
Marmion (1808)

“We're wounded by fear,injured in doubt.I can lose myself,You I can't live without”
"Red Hill Mining Town"
Lyrics, The Joshua Tree (1987)
Context: We're wounded by fear, injured in doubt. I can lose myself, You I can't live without

Alwin Mittasch, as cited in: Ralph Edward Oesper, "Alwin Mittasch," Journal of Chemical Education (1948), 25, 532.

Rev. William Henry Foote, in Sketches of Virginia: Historical and Biographical (1856), Ch. 12 : Cornstalk — and the Battle at Point Pleasant
Context: Cornstalk was often seen with his warriors. Brave without being rash, he avoided exposure without shrinking; cautious without timidity in the hottest of the battle, he escaped without a wound. As one of the warriors near him showed some signs of timidity, the enraged chief, — with one blow of his tomahawk, cleft his skull. In one of the assaults, Colonel Fields, performing his duty bravely, was shot dead. … The faltering of the ranks encouraged the savages. "Be strong! Be strong!" echoed through the woods over the savage lines in the tones of Cornstalk; and as Captain after Captain, and files of men after files of men, fell, the yells of the Indians were more terrific and their assaults more furious.

John Knox as portrayed in Bothwell : A Tragedy (1874) Act I, Sc. 2.
Bothwell : A Tragedy (1874)
Context: Sins are sin-begotten, and their seed
Bred of itself and singly procreative;
Nor is God served with setting this to this
For evil evidence of several shame,
That one may say, Lo now! so many are they;
But if one, seeing with God-illumined eyes
In his full face the encountering face of sin,
Smite once the one high-fronted head, and slay,
His will we call good service. For myself,
If ye will make a counsellor of me,
I bid you set your hearts against one thing
To burn it up, and keep your hearts on fire,
Not seeking here a sign and there a sign,
Nor curious of all casual sufferances,
But steadfast to the undoing of that thing done
Whereof ye know the being, however it be,
And all the doing abominable of God.
Who questions with a snake if the snake sting?
Who reasons of the lightning if it burn?
While these things are, deadly will these things be;
And so the curse that comes of cursed faith.