All those things [meaning works of art] have given me the greatest satisfaction and contentment because they are not only for the honor of God but are likewise for my own remembrance. For fifty years, I have done nothing else but earn money and spend money; and it became clear that spending money gives me greater pleasure than earning it.

Attributed to Cosimo de' Medici by Salviati; as cited in Taylor, F.H. (1948). The taste of angels, a history of art collecting from Rameses to Napoleon. Boston: Little, Brown. pp. 65–66.