4.27.1
गर्भे॒ नु सन्नन्वे॑षामवेदम॒हं दे॒वानां॒ जनि॑मानि॒ विश्वा॑ | श॒तं मा॒ पुर॒ आय॑सीररक्ष॒न्नध॑ श्ये॒नो ज॒वसा॒ निर॑दीयम् ||
I, As I lay within the womb, considered all generations of these Gods in order. A hundred iron fortresses confined me but forth I flew with rapid speed a Falcon.