Here is a list of ways to start your paragraphs:

Just click and read. Most people just have a couple of tricks up their sleeve and they fall back on them all the time. If you use these you will have a vast number of ways of attacking your question, of putting your thoughts out therefor a wider public.
Please don't use them all at once. Treat them like alcohol - one G&T is nice. Ten different cocktails is different…

President Trump/Karl Marx/Heinrich Himmler would agree with all of that. But it would be much more civilized to…
I think this is really a bit sexist/ racist/ Islamophobic/ unacceptable (etc) myself. Here's why...
Everyone does it. Come on! It is quite normal to…
How out of date all this is! We need to move on a bit. And here's how...
How would you like it if someone did that to you? There are victims here...
Let's just define what we are talking about...
Actually the facts don't support this argument. The most recent figures are these...
I think there are three separate things going on here. The first is...
Everyone knows that stealing is wrong/ hitting women is wrong/ people should be treated fairly (etc). This means…
I believe that Shakespeare/Confucius/Winston Churchill (or pick your own: Madonna? ) once said...
This is a very complicated subject. Let's just break it up into its separate parts shall we. First...
OK. So if we do this, what will be the probable result?...
True or false? Helpful or dangerous? Which one are we talking about? Let's look at the alternatives...
(Pick a celebrity who holds opposite views to your own.)Well he/she would say that! Let's take a sneaky peak into their lives, shall we? Let us, for example, take a look at...
Fair's fair! The same rules should apply across the board. So is this a fair discussion? I don't think so...
OK. So something is not quite right. Who is to blame?...
People should support... And here's why...
A funny thing about this topic is... (Pick something unusual).
Everyone thinks that... Actually this is not the case at all. Here's why...
Oh yes! (Name a public celebrity who is on the other side of the argument.) That is rich coming from her/him! (Now put the boot in).
Let's not play the blame game. There is nothing wrong in...
It would have been better, looking back, if...
I think that... is rather like marmite/spaghetti/minestrone (or something completely ridiculous like a...) ...
It would have been a mistake if we had...
Think of a nickname for a famous personality who is interested in what you are discussing. Now talk about their views using the nickname.
Post hoc, propter hoc: just because things happen after other things, that does not imply cause.

Please notice that you can click on each suggestion for a fuller explanation of the idea. I would like to thank the great Aristotle for inspiring this idea in his Rhetoric. He was the personal teacher and coach, of course, of Alexander the Great.