All conceptions conform to their object, and error consists in the will forming a judgement beyond conception. On this point, Desgabets’s account of error looks very much like that found in Descartes. However, in Desgabets, the domain of simple conception is less restricted, as is the proper function of the senses. The senses not only serve to determine what is good or harmful in life, but they also serve in knowing the nature of things. However, we often form false judgements of the true nature