Format 
Page no. 
Search this text 
Title:  Observations upon experimental philosophy to which is added The description of a new blazing world / written by the thrice noble, illustrious, and excellent princesse, the Duchess of Newcastle.
Author: Newcastle, Margaret Cavendish, Duchess of, 1624?-1674.
Table of contents | Add to bookbag
light makes, being but superficially and loosely spread upon other natural and substantial figures, are so uncer∣tain, inconstant and momentary, that they do change according as the reflexion and position of light alters; and therefore they cannot cause or produce any natural or inherent colours, for these are not superficial, but fixt, and remain constantly the same. And as for blackness, that it should be caused by the absence of light, I think it to be no more probable, then that light is the cause of our sight; for if the blackness of a Charcoal did proceed from the absence of light in its pores, then a black Horse would have more or deeper pores then a white one, or a sorrel, or any other co∣loured Horse; also a black Moor would have larger Pores then a man of a white complexion; and black Sattin, or any black Stuff, would have deeper pores then white Stuff: But if a fair white Lady should bruise her arm, so as it did appear black, can any one believe that light would be more absent from that bruised part then from any other part of her arm that is white, or that light should reflect otherwise upon that bruised part, then on any other? Also can any body believe, that the reflexion of light on a decayed Ladies face, should be the cause that her complexion is altered from what it was when she was young, and appeared beauti∣ful and fair? Certainly Light is no more the cause of her Complexion then of her Wrinkles, or else she would never complain of Age, but of Light. But to 0