I have come increasingly to the conclusion that ALL significant ideological perspectives on reality are self-refuting when you think about them long and hard. Some contradictions are easier to spot than others, but contradiction appears to be at the heart of pretty much any position you wish to adopt.
scepticism - we can't know anything (including the assertion that "we can't know anything"?)
physicalism - only physical things exist (then what is the statement/thought "only physical things exist"?)
relativism - all viewpoints are equally valid (including the view that there are correct and incorrect viewpoints?)
theism - there is a being who has unlimited power and is perfect in love (how can God be both loving and all-powerful in a world full of suffering?)
naturalism - every event can be explained with reference to the rules of nature (how do you explain the existence of natural laws in the first place without contradicting this premise?)
atheism - I can use logic and reason to show God does not exist (why should human rationality be relied upon if it is purely the result of selection for survival?)
Self-refutation doesn't appear to be an isolated quirk. It seems to be a feature of any ideological position one may wish to adopt.