Expressing Opinions on News or Events

That's a fair point.

C1

That's a valid or reasonable observation.

I beg to differ.

C1

I respectfully disagree.

I'm of the opinion that...

C1

I believe that...

It's debatable whether...

C1

It's uncertain or open to discussion whether...

I would argue that...

C1

I maintain that...

From my perspective...

C1

In my opinion...

To my mind...

C1

In my opinion...

It stands to reason that...

C1

It's logical to assume that...

I contend that...

C1

I strongly argue that...

It's my considered opinion that...

C1

After careful thought, I believe...

I take the view that...

C1

I hold the belief that...

In all honesty...

C1

To be frank...

To be perfectly frank...

C1

To be completely honest...

Frankly speaking...

C1

Honestly speaking...

It's my firm belief that...

C1

I strongly believe that...

I have reason to believe...

C1

I suspect...

I venture to suggest that...

C1

I dare to suggest that...

The evidence would suggest that...

C1

The facts point towards...

It's a moot point.

C2

The point is irrelevant or inconsequential.

That's beside the point.

C2

That is irrelevant to the main issue.

It begs the question.

C2

It raises a further question; often used incorrectly to mean 'it raises the obvious question'.

I'm not convinced.

C2

I don't believe that.

It's a double-edged sword.

C2

It has both advantages and disadvantages.

That's a fair point.

C2

That's a valid and reasonable argument.