To render something permanent, certain, or firm.
nail down
to make something (e.g. a decision or plan) firm or certain
no more
Something that is from a certain point onwards forbidden, or non-exist…
safe in the knowledge
Confidently, because one is certain that something relevant to the sit…
stepping stone
Something used as a way to progress to something or somewhere else.
render unto Caesar
To give (something) to one's state or government, especially in the fo…
give life to
To render something into active use; to provide an impetus to somethin…