The firsthand experience of an apple is an example of a complex impression. I’m sorry for interrupting you, but is this really that important? Important? How can I ask like that? OFFICIAL NURSES BE STRONG BE BRAVE BE HUMBLE BE BADASS POSTER. Even if the philosopher may be preoccupied with many insubstantial issues, you must not give up now while building an argument. Hume probably also agrees with Descartes that it is essential to build an idea from the ground up. Hume’s view is that sometimes we create complex ideas that do not correspond to any object in the physical world. We just talked about angels. Before that, we mentioned the crocodile elephant.