IV Maccabees 16:13

13 But as one possessed with an adamantine mind, and as one bringing forth again her full number of sons to immortality, she rather with supplication exhorted them to death in behalf of religion.

IV Maccabees 16:13 In-Context

11 Nor, should I die, shall I have a son to bury me. But with such a lament as this the holy and God-fearing mother bewailed none of them.
12 Nor did she divert any of them from death, nor grieve for them as for the dead.
13 But as one possessed with an adamantine mind, and as one bringing forth again her full number of sons to immortality, she rather with supplication exhorted them to death in behalf of religion.
14 O woman, soldier of God for religion, thou, aged and a female, hast conquered through endurance even a tyrant; and though but weak, hast been found more powerful in deeds and words.
15 For when thou wast seized along with thy children, thou stoodest looking upon Eleazar in torments, and saidst to thy sons in the Hebrew tongue,

The Brenton translation of the Septuagint is in the public domain.