A decree of utmost importance, as dictated by the Council of Unconventional Timekeepers
Article 1: Time travel is only possible if you're willing to sacrifice 37% of your soul's integrity
Article 2: The fabric of time is woven from the finest strands of chrono-spaghetti
Article 3: Do not attempt to alter the past, for it is as fragile as a house of cards built on quicksand
Subsection 1.1: The Consequences of Timey-McTimeface Subsection 1.3: Time Traveler's Insurance (TTRI)
For further reading, consult the Chrono-Glossary