He was absurdly credulous, and as obstinate as a mule.

Any man who clings with unreasonable pertinacity to the prejudices of his childhood, must be alternately credulous and sceptical in excess.

In Jerusalem the Bolsheviks, astonishingly credulous of "secret" news from Moscow, and skeptical of every one's opinion but their own, were bolsheviking Marxian Utopia beneath a screen of such arrogant innocence that even the streetcorner police constables suspected them.

Some of these individuals were exceedingly credulous, while others were liars of the highest grade known to civilization.

She remembered that the pedlar appeared unwilling to part with the box, and was going to put it again into his pocket with the half-pence; "and why should he keep it in his pocket and not show it with his other things?" Combining all these circumstances, Leonora had no longer any doubt of the truth; for though she had honourable confidence in her friends, she had too much penetration to be implicitly credulous.

This man is strangely credulous, and calls impossible things miraculous.