Thematic Bible: Summed up by Christ

and one of them, a teacher of the law, put a question to him, to make trial of him, and said, Master, which is the great commandment in the law? Then Jesus said to him, "Thou shalt love the Lord thy God with all thy heart, and with all thy soul, and with all thy mind." read more.
This is the first and great commandment. And the second is like to it, "Thou shalt love thy neighbour as thyself." On these two commandments, the whole law and the prophets depend.