scientific naturalism william lane craig science harold camping origins of christianity marriage 21 may 2011 bible culture apocalypse purpose humanism grace context year in review evolution reflections freedom of religion apologetics christmas death richwood love st. augustine of hippo old testament equip jerusalem singleness israel john dickson quote pharisees easter wlc islam freedom of speech fearmongering augustine pro-life abortion new year peter singer prayer dr john dickson church end of the world morality ministry mercy ministry resurrection worldview happy new year pride truth quotes outreach evangelism salvation forgiveness sin