A Doubting Thomas is someone who will refuse to believe something without direct, physical, personal evidence; in other words, a skeptic.
Famous quotes containing the words doubting and/or thomas:
“It would strike me as ridiculous to want to doubt the existence of Napoleon; but if someone doubted the existence of the earth 150 years ago, perhaps I should be more willing to listen, for now he is doubting our whole system of evidence.”
—Ludwig Wittgenstein (1889–1951)
“I
Am found.
O let him
Scald me and drown
Me in his world’s wound.
His lightning answers my
Cry. My voice burns in his hand.”
—Dylan Thomas (1914–1953)