Perfection lies not in the multiplicity of the things you do but in doing them well in the spirit in which our Lord did all his works. This is what goes to make genuine and solid holiness: to do what one does well, in conformity with one's vocation. [p. 57]

(St Vincent de Paul. From Jacques Delarue, The Holiness of Vincent de Paul, Geoffrey Chapman Ltd, London 1960, 132 pp)