“That ideas should freely spread from one to another over the globe, for the moral and mutual instruction of man, and improvement of his condition, seems to have been peculiarly and benevolently designed by nature, when she made them, like fire, expansible over all space, without lessening their density in any point, and like the air in which we breathe, move, and have our physical being, incapable of confinement or exclusive appropriation. Inventions then cannot, in nature, be a subject of property.”

“No one is accountable for existing at all, or for being constituted as he is, or for living in the circumstances and surroundings in which he lives. The fatality of his nature cannot be disentangled from the fatality of all that which has been and will be. He is not the result of a special design, a will, a purpose; he is not the subject of an attempt to attain an 'ideal of man' or an 'ideal of happiness' or an 'ideal of morality'--it is absurd to want to hand over his nature to some purpose or other. We invented the concept 'purpose': in reality purpose is lacking...One is necessary, one is a piece of fate, one belongs to the whole, one is in the whole--there exists nothing which could judge, measure, compare, condemn our being, for that would be to judge, measure, condemn the whole...”

“a woman should have every honorable motive to exertion which is enjoyed by man, to the full extent of her capacities and endowments. The case is too plain for argument. Nature has given woman the same powers, and subjected her to the same earth, breathes the same air, subsists on the same food, physical, moral, mental and spiritual. She has, therefore, an equal right with man, in all efforts to obtain and maintain a perfect existence.”

“Originality is nothing but judicious imitation. The most original writers borrowed one from another. The instruction we find in books is like fire. We fetch it from our neighbor's, kindle it at home, communicate it to others, and it becomes the property of all.”

“Darwin proposed that creatures like us who, by their nature, are riven by strong emotional conflicts, and who have also the intelligence to be aware of those conflicts, absolutely need to develop a morality because they need a priority system by which to resolve them. The need for morality is a corollary of conflicts plus intellect:'Man, from the activity of his mental faculties, cannot avoid reflection. . . . Any animal whatever, endowed with well-marked social instincts, would inevitably acquire a moral sense or conscience as soon as its intellectual powers had become as well-developed, or anything like as well-developed as in man.' - Charles Darwin, The Descent of ManThat (he said) is why we have within us the rudiments of such a priority system and why we have also an intense need to develop those rudiments. We try to shape our moralities in accordance with our deepest wishes so that we can in some degree harmonize our muddled and conflict-ridden emotional constitution, thus finding ourselves a way of life that suits it so far as is possible.These systems are, therefore, something far deeper than mere social contracts made for convenience. They are not optional. They are a profound attempt -- though of course usually an unsuccessful one -- to shape our conflict-ridden life in a way that gives priority to the things that we care about most.If this is right, then we are creatures whose evolved nature absolutely requires that we develop a morality. We need it in order to find our way in the world. The idea that we could live without any distinction between right and wrong is as strange as the idea that we -- being creatures subject to gravitation -- could live without any idea of up and down. That at least is Darwin’s idea and it seems to me to be one that deserves attention.“Wickedness: An Open Debate,” The Philosopher’s Magazine, No. 14, Spring 2001”

“Animals have these advantages over man: they never hear the clock strike, they die without any idea of death, they have no theologians to instruct them, their last moments are not disturbed by unwelcome and unpleasant ceremonies, their funerals cost them nothing, and no one starts lawsuits over their wills.”