Without reproach or lamentation or any sign of self-pity, she retired behind those invincible ramparts to which Martin had been blind in hospital days, but to which he was now so much alive.
"The Locusts' Years"
Mary Helen Fee
But for equality their passion is ardent, insatiable, insistent, invincible; they call for equality in freedom, and if they cannot obtain that, they still call for equality in slavery.
"Contemporary Socialism"
John Rae
From the first words I exchanged with this woman, I felt an invincible dislike to her, which increased in proportion to the efforts she made to attract me.
"The Dead Lake and Other Tales"
Paul Heyse