Holinshed's Chronicles, Volume V: Scotland, page 273

But to returne vnto Makbeth, in continuing the historie, and to begin where I left, ye shall vnderstand that after the contriued slaughter of Banquho, nothing prospered with the foresaid Makbeth: for in maner euerie man began to doubt his owne life, and durst vnneth* appeare in the kings presence; and euen as there were manie that stood in feare of him, so likewise stood he in feare of manie, in such sort that he began to make those awaie