Srimad-Bhagavatam: Canto 3 - Chapter 1 - Verse 46
Sanskrit:
एवं योगानुभावेन दम्पत्यो रममाणयो: ।शतं व्यतीयु: शरद: कामलालसयोर्मनाक् ॥ ४६ ॥
ITRANS:
evaṁ yogānubhāvenadam-patyo ramamāṇayoḥśataṁ vyatīyuḥ śaradaḥkāma-lālasayor manāk
Translation:
While the couple, who eagerly longed for sexual pleasure, were thus enjoying themselves by virtue of mystic powers, a hundred autumns passed like a brief span of time.