If you had to sum up of all Judaism in a sentence, which mitzvot would you include? You would likely say mitzvot such as believe in Hashem, do not steal, and do not murder.
Q: What is love? An action? An emotion? If love is an emotion, does it seem fair for Hashem to command us to feel this love? Is it really possible to love someone to the extent that you love yourself? What do you think the Torah is truly commanding us to do?
Q: Why do you think Rabbi Akiva believes that this is the fundamental principle of the Torah?
Q: Why then invoke G-d's name at the end of the commandment?
One possible explanation to this is that because we are all created by and in the image of G-d, we therefore need to view others that way and treat them accordingly. It may take some effort to see the kedushah in each person, but it is a task we must take on as Jews.
The Great Partnership, p. 127
"There is no greater defense of human dignity than the phrase from the first chapter of the Bible that dared to call the human being 'the image of G-d'."
Do we only love our neighbor?
Rabbi Sacks, Faith in the Future, pg 78.
“The Hebrew Bible contains the great command, ‘You shall love your neighbour as yourself’ (Leviticus 19:18), and this has often been taken as the basis of biblical morality. But it is not: it is only part of it. The Jewish sages noted that on only one occasion does the Hebrew Bible command us to love our neighbour, but in thirty-seven places it commands us to love the stranger. Our neighbour is one we love because he is like ourselves. The stranger is one we are taught to love precisely because he is not like ourselves. ”