Thomas Hobbes 
Leviathan [PDF ebook] 
Or the Matter, Forme and Power of Commonwealth, Ecclesiasticall and CIVILL

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. The Original] of them all, is that which we call sense; (for there is no conception in a mans mind, which hath not at first, totally, or by parts, been begotten upon the organs of Sense.) The rest are derived from that original]. To know the natural] cause of Sense, is not very necessary to the business now in hand; and I have else-where written of the same at large. Nevertheless, to fill each part of my present method, I will briefly deliver the same in this place.