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THE FOURTH LETTER

Being hath to space. To say he exists in space, after the same manner that other substances do, (somewhat like which I too rashly asserted in my last,) perhaps would be placing the Creator too much on a level with the creature: or, however, it is not plainly and evidently true: and to say the self-existent substance is the substratum of space, in the common sense of the word, is scarce intelligible, or at least is not evident. Now, though there may be a hundred relations distinct from either of these, yet how should we come by ideas of them I cannot conceive. We may indeed have ideas to the words, and not altogether depart from the common sense of them, when we say the self-existent substance is the substratum of space, or the ground of its existence: but I see no reason to think it true; because space seems to me to be as absolutely self-existent, as it is possible anything can be; so that, make what other supposition you please, yet we cannot help supposing immense space; because there must be either an infinity of being, or (if you will allow the expression) an infinite vacuity of being. Perhaps it may be objected to this, that though space is really necessary, yet the reason of its being necessary, is its being a property of the self-existent substance; and that it being so evidently necessary, and its dependence on the self-existent substance not so evident, we are ready to conclude it absolutely self-existent, as well as necessary, and that this is the reason why the idea of space forces itself on our minds, antecedent to, and exclusive of (as to the ground of its existence) all other things. Now this, though it is really an objection, yet it is no direct answer to what I have said; because it supposes the only thing to be proved, viz., that the reason why space is necessary, is its being a property of a self-existent substance. And supposing it not to be evident, that space is absolutely self-existent; yet, while it is doubtful, we cannot argue as though the contrary were certain, and we were sure that space was only a property of the self-existent substance. But now,