" Jesus used small things to describe his kingdom: a sprinkling of yeast that causes the whole loaf to rise, a pinch of salt that preserves a slab of meat, the smallest seed in the garden that grows into a great bush in which the birds of the air come to nest. Practices that used to be common—human sacrifice, slavery, duels to the death, child labor, exploitation of women, racial apartheid, debtors’ prisons, the killing of the elderly and incurably ill—have been banned, in large part because of a gospel stream running through cultures influenced by the Christian faith. Once salted and yeasted, society is difficult to un-salt and un-yeast. Many "

― Philip Yancey , Christians and Politics Uneasy Partners