We are told to account our old nature as buried. Herbert knew that, and he gave up the chances of wordly power and scholarly prestige. For something better.
The mistrust of power is a thread in Christian life that dates back to Christ. His kingdom is greater than this world because it is not of this world.
Having been tenant long to a rich Lord,
Not thriving, I resolved to be bold,
And make a suit unto him, to afford
A new small-rented lease, and cancell th' old.
In heaven at his manour I him sought:
They told me there, that he was lately gone
About some land, which he had dearly bought
Long since on earth, to take possession.
I straight return'd, and knowing his great birth,
Sought him accordingly in great resorts;
In cities, theatres, gardens, parks, and courts
At length I heard a ragged noise and mirth
Of theeves and murderers: there I him espied
Who straight, Your suit is granted, said, & die