His reply goes to the very heart of his teaching about moral and ritual requirements. (religion-online.org)
The heart of the teaching - learning process is an interpersonal relationship. (religion-online.org)
The heart of his teaching is love for God and love for your neighbour» (Luke 10:27) and the parable of the Good Samaritan (10:30 - 37) defines «neighbour» very inclusively. (premierchristianity.com)