Principles of the Kingdom of Heaven were hidden until Jesus came (Mystery, Mark 4:11,12)

Tenet of the Kingdom of Heaven: Life from Death (John 12:24)

Die to our Will.
Die to the Flesh.

Tenet of the Kingdom of Heaven: Greatness Through Childlikeness

Humble
Quick to Forgive and Forget
Implicit Trust
No Partiality

Tenet of the Kingdom of Heaven: Strength Through Weakness