1. Ideas, some clear and distinct, others obscure and confused.
Having shown the original of our ideas, and taken a
view of their several sorts; considered the difference between the simple and the complex; and observed how the
complex ones are divided into those of modes, substances, and relations--all which, I think, is necessary to be
done by any one who would acquaint himself thoroughly with the progress of the mind, in its apprehension and
knowledge of things--it will, perhaps, be thought I have dwelt long enough upon the examination of ideas. I must
nevertheless, crave leave to offer some few other considerations concerning them.
The first is, that some are clear and others obscure; some distinct and others confused.