Wherever you stand on Cliff Richard, his 1988 number one, with its message that “Christmas is love, Christmas is peace” and “a time to rejoice in the good that we see”, succinctly summarises the common festive view of Christianity. From Christmas music to cards to charity TV adverts, we are continually reminded at this time of year of the positive values that Christianity can promote: love, peace, giving, receiving – and seeing goodness in others.