As for Christianity being about true love of humanity, what greater love than Jesus giving His life for us? (religion.blogs.cnn.com)
This deep love of humanity requires an enlargement of heart that is so great that man could not aspire to it unless God showed him the way. (faith.org.uk)
However, in spite of this, Jewish sources from the Book of Jonah to the Rabbis of the Mishna, through the Maharal of Prague to Rabbi Moshe Cordevero, along with numerous modern Jewish thinkers, all place love of humanity and hate of hatred as the ultimate religious value. (firstthings.com)