Conjunctions are tricky things. In standard Greek style, sentences begin with conjunctions. The conjunction shows the connection with the preceding sentence.
We have a different system in English. We use punctuation, paragraph markers, and even headings in our Bibles, to show the connection with previous thoughts. To make it even more difficult, English style does not want to start a sentence with a conjunction.
Let's add to the difficulty. In English syntax, there is an implied relationship in a series. If I say “A” and then I say “B,” there is an implied, logical, sequential relationship between “A” and “B.” So why would we need a conjunction before “B”?