The Basis of Morality by Part 3 Chapter 7 Page 9

but to make a purchase; and you have effected a bad bargain.

But if the one thing you are concerned with is that he should feel the pressure of poverty less; then you have gained your object; you have diminished his suffering, and you see exactly how far your gift is requited.”

Now, how is it possible that trouble which is not mine, and by which I am untouched, should become as direct a motive to me as if it were my own, and incite me to action? As already explained, only through the fact that, although it comes before me merely as something outside myself, by means of the external medium of sight or hearing; I am, nevertheless, sensible of it with the sufferer; I feel it as my own, not indeed in myself, but in him And so what Calderon said comes to pass: