Evangelist David Watson thought it was crucial: 'Giving a talk, it is said, is like throwing water from a bucket over a row of bottles; a few drops may enter into some. Speaking to individuals . . . is like pouring water from the jug into the narrow neck of each bottle.'(1) Watson rather underestimates the impact of preaching in this quotation and, of course, we do usually concentrate on the individual bottles when they're new. But what about pouring water into the bottles on an ongoing basis - particularly those bottles that have been sitting around a bit?