To prove stationary objects in space in the distribution, according to the gravitational field, made a limited boundless static universe model, the model is unstable. 為了證明天體在空間中靜止的分佈，以引力場為根據，提出了一個有限無邊的靜止的宇宙模型，該模型是不穩定的。
A far more likely theory, in his Ptolemaic model of the universe, is that a great artist is something that's good for you, like broccoli, because someone said so in a book. 同樣似是而非的理論書，如同托勒密等分世界的宇宙模型，告訴你說偉大的藝術家是指他的作品象椰菜一樣，對所有人都有好處。
