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“fortes et strenuos etiam contra fortunam insistere, timidos et ignoros ad desperationem formidine properare - the brave and bold persist even against fortune; the timid and cowardly rush to despair through fear alone”
― Tacitus

“Rarely will two or three tribes confer to repulse a common danger. Accordingly they fight individually and are collectively conquered.”
― Tacitus, The Agricola and The Germania

“Ah! but a man cannot be held to write down in cold blood the wild and black thoughts that storm his brain when an uncontrolled passion has battered a breach for them. Yet, unless he sets up as a saint, he need not hate himself for them. He is better employed, as it humbly seems to me, in giving thanks that power to resist was given to him ....”
― Anthony Hope, The Prisoner of Zenda

“Now, don't be angry after you've been afraid. That's the worst kind of cowardice.”
― Rudyard Kipling, The Jungle Book