"I have read your pleasant letter of 14th with singular pleasure. I discern your kind inclination and affection which I feel deeply obliged to requite [you] with service and friendship. Because of [my] inclination to do this, [and] in spite of your wish (of Constantijn Huygens], [I] am sending [you] along [with this letter] a painting, hoping that you will accept it, because it is the first momento which I offer you, Sir.. ..postscripttum]: My [dear] Sir: hang this picture in a bright light and in such a manner that it can be viewed from a distance. It will then sparkle at its best."