I think anybody who's curious about anything, including their own mind, is inherently a skeptic.
This is what I see, and what troubles me. I look on all sides, and everywhere I see nothing but obscurity. Nature offers me nothing that is not a matter of doubt and disquiet.
Mistrust all men, and slay him whom thou mistrustest overmuch; and as for women, flee from them, for they are evil, and in the end will destroy thee.
No man ever quite believes in any other man. One may believe in an idea absolutely, but not in a man.
As there are dim-sighted people who live in a sort of perpetual twilight, so there are some who, having neither much clearness of head nor a very elevated tone of morality, are perpetually haunted by suspicions of everybody and everything.
It belongs to every large nature, when it is not under the immediate power of some strong unquestioning emotion, to suspect itself, and doubt the truth of its own impressions, conscious of possibilities beyond its own horizon.
Be sober, and to doubt prepense, These are the sinews of good sense.
Trust not one night's ice.
My colleague Ross Douthat wrote that any time you give Donald Trump the benefit of the doubt, he always lets you down.
My suspicious nature is that there's something that [ Reverend ] Galamison, about Galamison that must have some good in it or some right in it.
Skepticism . . . is not intellectual only it is moral also, a chronic atrophy and disease of the whole soul.