“is, in fact, a call to reason, again to undertake the most laborious of all tasks — that of self-examination — and to establish a tribunal, which may secure it in its well-grounded claims, while it pronounces against all baseless assumptions and pretensions, not in an arbitrary manner, but according to its own eternal and unchangeable laws. This tribunal is nothing less than the critical investigation of pure reason”

Complete Woks of Immanuel Kant by Kant, Immanuel