Do the bishops seriously imagine that legalising gay marriage will result in thousands of parties to heterosexual marriages suddenly deciding to get divorced so they can marry a person of the same sex? – Malcolm Turnbull

Let us be honest with each other. The threat to marriage is not the gays. It is a lack of loving commitment – whether it is found in the form of neglect, indifference, cruelty or adultery, to name just a few manifestations of the loveless desert in which too many marriages come to grief. – Malcolm Turnbull