Ramayana
परमापद्गतस्यापि धर्मे मम मतिर्भवेत् । अशिक्षितं च ब्रह्मास्त्रं भगवन्प्रतिभातु मे ॥ 7-10-31 ॥
Even when fallen into the gravest calamity, may my mind remain fixed upon dharma; and may the Brahmastra, though never taught to me, manifest itself to me, O Blessed Lord.
english translation