Srimad-Bhagavatam: Canto 3 - Chapter 1 - Verse 23

Sanskrit:

निशावसान आरब्धो लोककल्पोऽनुवर्तते ।यावद्दिनं भगवतो मनून् भुञ्जंश्चतुर्दश ॥ २३ ॥

ITRANS:

niśāvasāna ārabdholoka-kalpo ’nuvartateyāvad dinaṁ bhagavatomanūn bhuñjaṁś catur-daśa

Translation:

After the end of Brahmā’s night, the creation of the three worlds begins again in the daytime of Brahmā, and they continue to exist through the life durations of fourteen consecutive Manus, or fathers of mankind.

Purport:

At the end of the life of each Manu there are shorter dissolutions also.