Change of pasture makes fat calves.

A new environment can bring benefits that a familiar one no longer provides. The image of calves growing well after a move presents change as a source of renewed nourishment and growth.

Applied to people, the proverb suggests that a different setting or routine may improve someone’s energy or prospects. It favors trying a change when remaining where one is seems to offer little benefit.

Use it when proposing a change of setting or routine as a way to help someone do better. It presents the move in an encouraging light, without implying that every change will succeed.