While the couple (Kardama Muni and Devahuti), who eagerly longed for sexual pleasure, were enjoying themselves by virtue of mystic powers, a hundred autumns passed like a brief span of time

Expressions researched:
"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"

SB Canto 3

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.

SB 3.23.46, 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.