Boswell saw in him chiefly the great dictator of conversation; and though the reports of Johnson’s talk represent his character in spite of some qualifications with unusual fulness, there were many traits very inadequately revealed at the Mitre or the Club, at Mrs. Thrale’s, or in meetings with Wilkes or Reynolds. We may catch some glimpses from his letters and diaries of that inward life which consisted generally in a long succession of struggles against an oppressive and often paralysing melancholy.