The Four Definitions of Appropriate Ideas

An idea is something that is created separate from our passive perception of an object in the world. So it's something that comes about through our minds on its own or through our mind on its own, not through necessarily having an immediate external stimulation which provides an idea for me. This is an idea without recourse to another idea or to an external object, but that is considered in itself and so possesses properties of a true idea. And here we have an adequate idea. Number five or the fifth definition, duration is the indefinite continuation of existence. That is existence itself continuing for a time duration. Reality and perfection are the same thing. There's nothing that happens in the world because everything is according to