Is "hence" necessary here?

Question

Because, since the common occurrences of life could never, in the nature of things, steadily look one way and tell one story, as flags in the trade-wind; hence, if the conviction of a Providence, for instance, were in any way made dependent upon such variabilities as everyday events, the degree of that conviction would, in thinking minds, be subject to fluctuations akin to those of the stock-exchange during a long and uncertain war.

In my opinion, it's not necessary because he said "since" before.

Answer 1

i think it is okay ...

since the common occurrences of life could never steadily look one way ... hence (therefore) the degree of that conviction would be subject to fluctuations ....

Answer 2

'Hence' is not needed.

Overall the sentence is incredibly wordy. Try breaking it into two sentences.

Actually, it's not a complete sentence as it stands.

Answer 3

"Because, since" doesn't sound right and the sentence almost loses any meaning in the over-use of flowery expression - in my humble and amateur opinion ;-)

Answer 4

that is much too long for one sentence. Break it into two, and get rid of the because at the beginning - you should never start a sentence with because!

with regards to the "hence", as this is currently written, it is not neccessary.

Answer 5

Not necessary as it leads to a "for instance" and not a fact, meaning that one result does not necessarily follow the action.

I wouldn't start a sentence with Because.

Answer 6

It sounds a bit repetitive with 'hence,' and then 'for instance,' right after. I'd either change it to 'trade-wind; for instance, if the conviction of a Providence were in any way made dependent...' or simply get rid of 'hence' in the second clause.  

Answer 7

I agree.  Using since obviates the need for hence.