2
" Suppose that we believe that in 200 years, people would be prepared to pay a million dollars (that's in today's dollars, not inflated ones) to be able to have an unspoilt valley. Now imagine that today we can profit by cutting down the forest in the valley, which will never regrow. If we apply an annual discount rate of 5 percent, compounded exponentially, how big would that profit have to be to justify the loss of a million dollars in 2210? The answer, surprisingly, is just sixty dollars! That's all that a million dollars in 200 years is worth, at that rate of discount. Obviously, then, if we use a 5 percent discount rate, values gained one thousand years in the future scarcely count at all. This is not because of any uncertainty about whether there will be human beings or other sentient creatures inhabiting this planet at that time, but merely because of the compounding effect of the rate of return on money invested now. "
― Peter Singer , Practical Ethics
3
" You'd help if you could, wouldn't you, boy?" I said. " It's no wonder they call you man's best friend. Faithful and loyal and true, you share in our sorrows and rejoice with us in our triumphs, the truest friend we ever have known, a better friend than we deserve. You have thrown in your lot with us, through thick and thin, on battlefield and hearthrug, refusing to leave your master even when death and destruction lie all around. Ah, noble dog, you are the furry mirror in which we see our better selves reflected, man as he could be, unstained by war or ambition, unspoilt by- "