Bala Kand Verse 31
पुनि पुनि हृदयँ विचारु करि धरि सीता कर रुप। आगें होइ चलि पंथ तेहि जेहिं आवत नरभूप ॥ ५२ ॥
puni puni hṛdaya~ vicāru kari dhari sītā kara rupa| āgeṃ hoi cali paṃtha tehi jehiṃ āvata narabhūpa || 52 ||
puni puni hridaya~ vicaru kari dhari sita kara rupa agem hoi cali pamtha tehi jehim avata narabhupa 52
Reflecting again and again in her heart, Sati assumed Sita's form and walked ahead on the very path by which the king-prince Shree Rama was coming.
Sati ने बार-बार हृदय में विचार करके Sita का रूप धारण किया और उस रास्ते पर आगे होकर चलने लगीं जिस पर वे राजकुमार (Shree Ram) आ रहे थे।
This is verse 31 of 211 in Bala Kand (बालकाण्ड), from the section “Katha Prarambh — Shiva-Parvati Samvad” of Goswami Tulsidas’ Ramcharitmanas.