Valmiki Ramayana Bala Kanda Sarga 13 Shloka 17
Original Shlokaततस्सर्वे समागम्य वसिष्ठमिदमब्रुवन्।।1.13.16।। यथोक्तं तत्सुविहितं न किञ्चित्परिहीयते। यथोक्तं तत्करिष्यामो न किञ्चित्परिहास्यते।।1.13.17।।
1 source checked for this shloka
तत: then, सर्वे all, समागम्य approached, वसिष्ठम् Vasistha, इदम् this statement, अब्रुवन् said, यथा in the manner, उक्तम् has been told, तत् that, सुविहितम् well arranged, किञ्चित् even little, न परिहीयते will not be left out, यथोक्तम् in the manner it has been told, तत् that, करिष्याम: we will do, किञ्चित् even a little, न परिहास्यते will not be left out.
Then all of them approached Vasishta and said, "everything has been wellarranged in accordance with your instruction. There is no deficiency. Everything will be done as instructed by you without leaving out anything."