Berkeley thought that the distinction between qualities invites all sorts of skepticism. If we know only our own ideas, how can we trust them without ever comparing them to unmediated reality? The solution is simple: deny the existence of matter. If an apple is not only our collection of perceptions but also a material object, we may doubt that object, and such doubt is abhorrent to common sense. However, if we define the apple as nothing more than our perceptions, it is beyond doubt. The world does not exist on its own, Berkeley argued—only perceptions do. Being is nothing more than being perceived. Do objects come in and out of existence, as we perceive them? Not quite, God always sees all things; thanks only to his perception, objects …show more content…
He claimed that external objects exist outside of time and space, and that the mind is needed to organize qualia into separate spatial and temporal locations. This means that the concepts of space and time are rationalist in nature. They are not learned from experience. The mind is also needed to join associated qualia into the objects we recognize. In order to do this, Kant agreed with Descartes when he stated that the mind must necessarily be a unified whole. Kant did not accept mind-body dualism however, because the idea of the soul is also formed by custom, instinct, and