Earlier quoted context omitted.
> This is a very Christian way of looking at donations: personal sacrifice / self-deprivation is what matters. I don't think it's what matters necessarily, but I do think that this is why he is receiving praise here and elsewhere. That's a problem, because if we're going to praise him for his sacrifice, we should remind ourselves that his sacrifice is minor compared to other donations due to the nonlinear effect of m…
Why praise sacrifice at all? Personal suffering/sacrifice adds no value to the community, and in fact reduces it. Maximizing positive impact should be the goal. Perhaps someone with 25 to their name better serves the community by keeping it?
Giving to help someone worse-off than you—ideally—engenders a feeling of gratitude and humility that makes our society a better place. Experiencing a greater sense of gratitude can help more than just money: gratitude helps one keep a positive mental outlook and can carry one through difficult times.
As a man of faith myself, I believe in divine blessings—both during and after this life—for sacrifice and generosity. That’s not my motivation for doing good, but I do believe that sacrifice does make a better community and a happier individual.
Now, as for the limit case of being utterly destitute (e.g. $25 to their name), a wise man once said “it is not requisite that you run faster than you have strength”—looking after yourself is noble, provided you continue to do what you can.