Moral philosophy is nothing else but the science of what is good, and evil, in the conversation, and society of mankind. Good, and evil, are names that signify our appetites, and aversions; which in different tempers, customs, and doctrines of men, are different.
Thomas HobbesA free man is he that, in those things which by his strength and wit he is able to do, is not hindered to do what he has a will to.
Thomas HobbesThey that approve a private opinion, call it opinion; but they that dislike it, heresy; and yet heresy signifies no more than private opinion.
Thomas HobbesIf any two men desire the same thing, which nevertheless they cannot both enjoy, they become enemies.
Thomas HobbesBy consequence, or train of thoughts, I understand that succession of one thought to another which is called, to distinguish it from discourse in words, mental discourse. When a man thinketh on anything whatsoever, his next thought after is not altogether so casual as it seems to be. Not every thought to every thought succeeds indifferently.
Thomas Hobbes