When a strong wind blows, the clouds vanish and blue sky appears. Similarly, when the powerful wisdom that understand the nature of the mind arises, the dark clouds of ego disappear.
At certain times, a silent mind is very important, but 'silent' does not mean closed. The silent mind is an alert, awakened mind; a mind seeking the nature of reality.
No matter how confused or deluded we may be at the moment, the underlying and essential nature of our being is clear and pure
Meditation is the way we realize the nature of the mind.