Can Skepticism Be Defended, Perhaps In A Limited Form? This essay centres around what it means to know something is true and also why it is important to distinguish between what you know and do not or can not know. The sceptic in challenging the possibility of knowing anything challenges the basis on which all epistemology is based. It is from this attack on epistemology that the defence of scepticism is seen. 2. Strong Scepticism Strong scepticism states that it is not possible to know anything. That is we cannot have absolute knowledge of anything. This can however imme