Let him show it naturally; let him speak as any other man would speak, under the circumstances.

Look here! Quick and quiet--like this.

'The air bites shrewdly'-- there Hamlet stops and shivers--pur-rer-rer! 'it is very cold.' That's the way to read Shakespeare!" Mr.Finch lifted his head into the air as high as it could possibly go, and brought the flat of his hand down with a solemn and sounding smack on the open book.
"Allow me to say, sir----!" he began.
Nugent stopped him again, more good-humouredly than ever.
"You don't agree with me?
All right! Quite useless to dispute about it.

I don't know what you may be--I am the most opinionated man in existence.
Sheer waste of time, my dear sir, to attempt convincing Me.

Now, just look at that child!" Here Mr.Nugent Dubourg's attention was suddenly attracted by the baby.