seeing is believing

idiom

Definition of seeing is believing

used to say that when something unlikely is witnessed, the truth of its occurrence or existence can no longer be doubtedI didn't think it could happen, but seeing is believing.

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“Seeing is believing.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seeing%20is%20believing. Accessed 24 Oct. 2020.

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