The First Propositions of Dictatorship
Believe only me.
Everyone else is lying to you. This is proof that they mean to harm you.
Therefore, believing (in) me will keep you safe.
And of course you will obey me. How could you refuse me, if everything I command is based upon truth, and therefore reasonable and just?
Believe me.
Believe in me.
Obey me.
The Donald in Melbourne, paraphrased.