Care's no cure.

Worrying about a difficulty does not, by itself, make the difficulty go away. Concern may be understandable, but it is not a remedy.

The proverb draws a distinction between feeling troubled and doing something useful. It encourages a person not to mistake anxious thought for a solution.

Use it to discourage fruitless worrying when someone is dwelling on a problem. It is best offered with sympathy, rather than as a dismissal of a person's concerns.