Though the cat winks awhile, yet sure she is not blind.

An observer may seem not to notice what is happening while remaining fully capable of seeing and understanding it. An outward sign of inattention is not proof of ignorance.

The proverb warns against underestimating someone who stays quiet or gives no visible reaction. That person may know more than their behavior suggests.

Use this proverb when someone assumes that a quiet or apparently inattentive person has missed what is going on. It can caution others not to rely on that appearance.