ואהבת לרעך כמוך
To love a fellow Jew as one loves himself is the fundamental rule of the Torah. According to Ramban, this mitzvah enjoins us to want others to have the same measure of success and prosperity that we want for ourselves. Obviously, this is not in consonance with human nature, whereby one’s ego always wants a little more or a little better for himself. He does not begrudge his fellow’s success – as long as he has more. How do we define love? How do we understand loving our fellow on the same level as we love ourselves? We find the…