So some people think facts matter and can be found, others think there's no such thing as truth. Traditionally, Christians have been great believers that facts and truth exist, and that they matter, but we have also realized that humans know in part and are easily misled.One who is concerned to report or to conceal the facts assumes that there are indeed facts that are in some way both determinate and knowable. His interest in telling the truth or in lying presupposes that there is a difference between getting things wrong and getting them right, and that it is at least occasionally possible to tell the difference. Someone who ceases to believe in the possibility of identifying certain statements as true and others as false can have only two alternatives. The first is to desist both from efforts to tell the truth and from efforts to deceive. This would mean refraining from making any assertion whatever about the facts. The second alternative is to continue making assertons that purport to describe the way things are but that cannot be anything except [hogwash].
If you don't think facts are knowable, then you can either (1) stop trying to talk about facts, or (2) engage in all kinds of hogwash to try to impress other people without worrying too much about the facts.