 First, knowers must examine what resemblance ideas in the mind have to objects in the outside world. This worry seems similar, at first glance, to the concerns of Descartes’ meditator in the Meditations on First Philosophy (1641), but Hobbes aimed to provide a solution that made no reference whatsoever to God or to anything at all immaterial, such as a soul. In the early work Elements of Law, composed in 1640 and published in 1650 (EL), Hobbes offered arguments that attempted to show that ideas are distinct from that which they purport to represent and he claimed that as a result we could know that the so-called secondary qualities, such as color, taste, and sound, were not in bodies. To do this, he used everyday experience to provide evidence for his claims: 