More quotes by Peter Singer
If evolution is a struggle for survival, why hasn't it ruthlessly eliminated altruists, who seem to increase another's prospects of survival at the cost of their own?
The Expanding Circle: Ethics, Evolution, and Moral Progress (1981)
Since ancient times, philosophers have maintained that to strive too hard for one's own happiness is self-defeating.
The Expanding Circle: Ethics, Evolution, and Moral Progress (1981)
The principles of ethics come from our own nature as social, reasoning beings.
The Expanding Circle: Ethics, Evolution, and Moral Progress (1981)
Science does not stand still, and neither does philosophy, although the latter has a tendency to walk in circles.
The Expanding Circle: Ethics, Evolution, and Moral Progress (1981)
There can be no brotherhood when some nations indulge in previously unheard of luxuries, while others struggle to stave off famine.
The Expanding Circle: Ethics, Evolution, and Moral Progress (1981)
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