“Quod meum est sine me auferri non potest.
What is mine [sovereignty in this case] cannot be taken away without my consent”
[Bouvier’s Law Dictionary Unabridged, 8th Edition, pg. 2159]
“Derivativa potestas non potest esse major primitive.
The power [sovereign immujity in this case] which is derived cannot be greater than that from which it is derived.”
[Bouvier’s Law Dictionary Unabridged, 8th Edition, pg. 2131]
“Nemo potest facere per obliquum quod non potest facere per directum.
No one can do that indirectly which cannot be done directly.”
[Bouvier’s Law Dictionary Unabridged, 8th Edition, pg. 2147]
“Quod per me non possum, nec per alium..
What I cannot do in person, I cannot do through the agency of another.”
[Bouvier’s Law Dictionary Unabridged, 8th Edition, pg. 2159]