
Seeing is believing
Experiential Proof
Describes how personal experience or witnessing something firsthand can validate its existence or truth.

When I saw the Northern Lights with my own eyes, I truly understood—seeing is believing.
Skepticism Overcome
The phrase often reflects a change from doubt to conviction after observing something directly.

She doubted the effectiveness of the new method, but seeing is believing—the results were impressive.
Literal Uses
The phrase is sometimes used literally to insist on the need for visual evidence.

After hearing the rumors of a UFO sighting, he said, 'Seeing is believing—I'll believe it when I see it.'
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