And I think it’s fair to ask if those ideas, expressed hundreds of years ago, are still “100%-blanket-statement-correct”, or if they should ever be modified based on changing societal conditions.

Blind faith in a political figure from several centuries ago is, to me, as ridiculous as blind faith in an imaginary magic sky deity.

You might wanna read more about the circumstances when those words were said.

Its probably problematic to be religiously dogmatic about applying quotes from historical figures from nearly three centuries ago about every possible modern context.

...this was said in reference to being able to use the powers of legislature to serve the greater good despite private interests.

It means the exact opposite of what you think it means.