From the series:
math/logic > science > philosophy > religion

we can construct the series:
physical > mental > emotional,

and the series:
logic > description > fiction,

and the series:
associable > reasonable > calculable > computable.

and we can use them to calculate the series:
lack of agency > potential agency > demonstrated agency

The weak of will want religion, to defend against others’ wills;
The able of will want philosophy, to advocate their will and;
The strong of will want science, to put their will to work;
And those who are strongest will want Law:
Because law is the means by which the strong impose their will.

Because we want what our Agency demands.