śukla-kṛṣṇe gatī hy ete
jagataḥ Å›ÄÅ›vate mate
ekayÄ yÄty anÄvá¹›ttim
anyayÄvartate punaḥ
sukla--light; krsne--darkness; gati--passing away; hi--certainly; ete--all these; jagatah--of the material world; sasvate--of the Vedas; mate--in the opinion; ekaya--by one; yati--goes; anavrttim--no return; anyaya--by the other; avartate--comes back; punah--again.