In all things there is a law of cycles.
— Tacitus

Worry is a cycle of inefficient thoughts whirling around a center of fear.
Corrie Ten Boom cycle quote

Events tend to recur in cycles...
— W. Clement Stone

Through honoring, appreciating and nurturing women, we set in motion a seismic shift which will lead to a new and healthy relationship cycle.
— Bryant H. McGill

We forget that the water cycle and the life cycle are one.
— cycle quotation by Jacques Yves Cousteau