How to use "proof" in a sentence

So let us begin anew - remembering on both sides that civility is not a sign of weakness, and sincerity is always subject to proof

'What proof do you have?' Marius said, wide-eyed with disbelief.

'I have all the proof here,' Thenardier said, producing an envelope in which there were several documents and newspaper articles

'Look, I have a piece of cloth from the dead man's coat as proof.'

There are pictures of these injuries, but there is no proof that Mr Dawson hit Mrs Dawson

Do you have any proof? No

He wants to say something, but without proof he has nothing, and the judge can do nothing.

we don't have proof of anything."

We have proof

'I want to hear your proof.'

'Aren't those holes in the boat enough proof for you?'

'I'll get your proof for you,' shouted Favell

It was the one clear proof that Rebecca had not killed herself.

Determined not to let them see that he was frightened, aware that any sign of fear would be taken as proof of weakness, Elliot said, "Well, you've got one hell of a weird approach for someone who's just taking a public opinion survey."

"We've got proof that something unusual is happening: the silencer-equipped pistol I took off Vince, your house blowing up..

Does she have any proof that the official story of her son's death is false?

If she has such proof, what is it?

If the body were exhumed and reexamined by a top-notch pathologist, we'd almost certainly find proof that the cause of death wasn't what the authorities originally said it was."

"The only proof of this is what you say you feel..

Anyway, that's no proof at all."

"It's proof enough for me," she said

"And it would be proof enough for you, if you'd had the same experience back there in the diner, if you'd felt what I felt

"Just because you never found him - that's not proof he was killed by a truck."

"It was proof enough for Danny

This of course was considered proof that she was mad

But this seemed to be just another proof of her madness.

That is why it is so important to have proof

But I haven't one bit of proof

But we need the proof!'

I had no proof now of the forgery in the register because the register was burnt

'I want a full confession, written and signed, of your conspiracy with Sir Percival Glyde against Laura Fairlie,' I said, 'and I want proof of your story so that everyone knows the truth at last.'

When I've given you the confession and the proof you ask for, the Countess and I will leave this house without any interference from you.'

This was the proof I needed! The death certificate said that Lady Glyde had died on 25 July, and here was a letter from Sir Percival proving that she was still alive on 26 July!