Sceptick

And what happineſs is there in a ſtorm of paſſions? On this account the Scepticks affected an indifferent æquipondious neutrality as the only means to their Ataraxia, and freedom from paßionate diſturbances.

Source: wiktionary

That there may be Certainty upon an infallible Evidence in Matters of Science, I readily grant you. But since there once were Scepticks in Philosophy as well as Religion, such as doubted of every thing, I very much question, whether the whole World be agreed in this Point; unless you could assure me, that Race of Seekers is now extinct.

Source: wiktionary