Firstly, it’s “than” not “then”.
Secondly, neither are correct, with the second one being particularly wrong in its placement of “rather”.
The first one at least sort of sounds like it’s trying to say:
Men are rather impressed by beauty.
“Rather” here just means “very”.
I imagine what you are trying to say is:
Men are impressed by beauty rather than (by) ...
The quote seems to be in error, until you check a dictionary:
"8. (archaic) Not yet brought forward, produced, or exhibited to view; out of sight; remaining."
"Yet to be revealed", "yet to come", or as you suggested "ahead", would make more sense in modern English.
... a no less firmly established boundary, - a boundary which is at least as firmly established. It is similar to the Maths "not less than" which is mathematically the same as "greater than or equal to".
In the present day, I felt gloomily would be taken for an error in standard English— one says I felt gloomy. We regard feel (and various senses of other verbs of states of being like sound, taste, or appear) as a linking verb (copula) when there is an adjective complement, as the subject and its complement are being related or equated: I feel happy ≈ I am ...
First, it depends on what you mean. If you mean that the courtiers reassured the king that the time of day had no material effect on the king's great administrative efficiency, then the only place to put "all day long" is within the clause relating to the king's efficiency. This meaning, however, would be much more clearly expressed by the clause &...
He acted in a cowardly manner.
"Cowardly" here is an adjective.
We usually have the structure a + adj + noun, which is the case here.
The base noun of "cowardly" is "coward", which means "a person who's not brave and is too eager to avoid danger".