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.
Interpretation
Faith is the belief in something despite a lack of evidence or rational support.
This quote by Peter Singer highlights the essence of faith as a belief that exists independently of evidence or logical reasoning. It suggests that true faith requires a level of conviction that transcends the need for proof, emphasizing the distinction between belief supported by rationality and belief that stands alone in the face of skepticism.
In practice
In a discussion about spirituality, this quote can illustrate the difference between faith and rational belief.
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.
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.)
If we use goods made from raw materials that are obtained from a poor country without the proceeds being used to benefit the people of that country, we become complicit in a particularly iniquitous form of grand larceny.
You can never argue anyone into the Kingdom of Heaven, you cannot argue anyone anywhere. The only result of arguing is to prove to your own mind that you are right and the other fellow wrong. You cannot argue for truth; but immediately Incarnate Truth is presented, a want awakens in the soul which only God can meet.
So while I can't tell you if bringing a child into this world is the morally-responsible to do, I can say that the future, much like the present, is going to be a whole lot better than you think.
Represent to yourself a dark city all burning and stinking with fire and brimstone. The damned are in the depth of hell within this woful city, where they suffer unspeakable torments in all their senses and members. Consider above all the eternity of their pains, which above all things makes hell intolerable.
The need is not really for more brains, the need is now for a gentler, a more tolerant people than those who won for us against the ice, the tiger and the bear. The hand that hefted the ax, out of some old blind allegiance to the past fondles the machine gun as lovingly. It is a habit man will have to break to survive, but the roots go very deep.
Independence can be trusted nowhere but with the people in mass. They are inherently independent of all but moral law.
Coincidences are the scars of fate.
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