One verse

Srimad Bhagavatam 10.39.35

10.39.35

तास्तथा तप्यतीर्वीक्ष्य स्वप्रस्थाने यदूत्तम: । सान्त्वयामास सप्रेमैरायास्य इति दौत्यकै: ॥ ३५ ॥

tās tathā tapyatīr vīkṣya sva-prasthāṇe yadūttamaḥ sāntvayām asa sa-premair āyāsya iti dautyakaiḥ

tāḥ
them (the gopīs)
tathā
thus
tapyatīḥ
lamenting
vīkṣya
seeing
sva-prasthāne
as He was leaving
yadu-uttamaḥ
the greatest of the Yadus
sāntvayām āsa
He consoled them
sa-premaiḥ
full of love
āyāsye iti
“I will return”
dautyakaiḥ
with words sent through a messenger

As He departed, that best of the Yadus saw how the gopīs were lamenting, and thus He consoled them by sending a messenger with this loving promise: “I will return.”