Never assume that habitual silence means ability in reserve. Geoffrey Madan More Quotes by Geoffrey Madan More Quotes From Geoffrey Madan To change an opinion without a mental process is the mark of the uneducated. Geoffrey Madan mark opinion process Attractive Etonians who go straight onto the Stock Exchange missing University on their fathers advice: the raw material of the great bores. Geoffrey Madan missing advice father The dust of exploded beliefs may make a fine sunset. Geoffrey Madan sunset dust may The cat which isn't let out of the bag often becomes a skeleton in the cupboard. Geoffrey Madan bags skeletons cat