That distrust which intrudes so often on your mind is a mode of melancholy, which, if it be the business of a wise man to be happy, it is foolish to indulge; and if it be a duty to preserve our faculties entire for their proper use, it is criminal. Suspicion is very often an useless pain.

The life of Samuel Johnson, LL. D., comprehending an account of his studies, and numerous works, in chronological order (ed. 1824)