Srimad-Bhagavatam: Canto 12 - Chapter 1 - Verse 36
Sanskrit:
कालस्रोतोजवेनाशु ह्रियमाणस्य नित्यदा ।परिणामिनामवस्थास्ता जन्मप्रलयहेतव: ॥ ३६ ॥
ITRANS:
kāla-sroto-javenāśuhriyamāṇasya nityadāpariṇāminām avasthās tājanma-pralaya-hetavaḥ
Translation:
All material entities undergo transformation and are constantly and swiftly eroded by the mighty currents of time. The various stages of existence that material things exhibit are the perpetual causes of their generation and annihilation.