Rubens was par excellence the painter of the group that included the heroes of the Dutch Republic; and, like many of his contemporaries, whilst excelling in his own line, he was, in other respects also, a great man, in a time of and among great men. —Chas. W. Kett.

I cannot sufficiently admire his personal appearance nor praise his uprightness, his virtue, his erudition and wonderful knowledge of antiquities, his skill and celerity of pencil, and the charm of his manner. —A Contemporary.

His eye is the most marvellous prism that has ever been given us of the light and color of objects, of true and magnificent ideas. —Eugene Fromentin.