I'm a Utilitarian, so I don't see the rule against lying as absolute; it's always subject to some overriding utility which may prevent its exercise.
Interpretation
Utilitarianism challenges absolute moral rules by prioritizing outcomes over principles.
In this quote, Peter Singer articulates his belief in utilitarianism, which suggests that the morality of an action, such as lying, is not fixed by strict rules but rather depends on the consequences. He asserts that if lying produces a greater overall good, then it is justified, emphasizing the flexibility and context-dependent nature of ethical decision-making in philosophy.
In practice
In a debate about ethics, I could use this quote to define a flexible moral approach.
The belief that the animals exist because God created them - and that he created them so we can better meet our needs - is contrary to our scientific understanding of evolution and, of course, to the fossil record, which shows the existence of non-human primates and other animals millions of years before there were any human beings at all.
Pain and suffering are in themselves bad and should be prevented or minimized, irrespective of the race, sex, or species of the being that suffers. How bad a pain is depends on how intense it is and how long it lasts, but pain of the same intensity and duration are equally bad, whether felt by humans or animals.
What is faith? If you believe something because you have evidence for it, or rational argument, that is not faith. So faith seems to be believing something despite the absence of evidence or rational argument for it.
Almost everybody accepts that some people can be killed. 'The concept of 'brain death' - the belief that people on respirators can legitimately be killed - shows that.
If we all think only of our own interests, we are headed for collective disaster - just look at what we are doing to our planet's climate.
Even in the era of AIDS, sex raises no unique moral issues at all. Decisions about sex may involve considerations about honesty, concern for others, prudence, and so on, but there is nothing special about sex in this respect, for the same could be said of decisions about driving a car. (In fact, the moral issues raised by driving a car, both from an environmental and from a safety point of view, are much more serious than those raised by sex.)
Human civilization is not something achieved against nature; it is rather the outcome of the working of the innate qualities of man.
When the state intervenes to insure the indoctrination of some doctrine, it does so because there is no conclusive evidence in favor of that doctrine.
We are each our own devil, and we make this world our hell.
Revolt is the mirror in which greed is forced to see itself.
Those who weep for the happy periods which they encounter in history acknowledge what they want; not the alleviation but the silencing of misery.
There cannot be perfect civilization until Man realizes that the rights of every living creature are as sacred as his own.
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