We owe something to extravagance, for thrift and adventure seldom go hand in hand. - Jennie Jerome Churchill
In human life, art may arise from almost any activity, and once it does so, it is launched on a long road of exploration, invention, freedom to the limits of extravagance, interference to the point of frustration, finally discipline, controlling constant change and growth. - Susanne Langer
Jargon allows us to camouflage intellectual poverty with verbal extravagance.