"These personal statements of Tacitus' aims and beliefs seem to be, if not wholly consistent, at least candid; but even the most superficial reading of his history will bring them into question. The claim to write "sine ira et studio" has been condemned by certain critics as sheer hypocrisy, and while most scholars have thought it honest in intention, few have considered the attempt successful. The aim of moral instruction, "ne virtutes sileantur", has been dismissed as political partisanship; his wish to trace events to their causes has been thought casual or pretentious. His views on philosophy and religion have been variously called agnostic, sceptical, stoic, fatalist, superstitious, and (as a last resort) "deeply original"."