He had his reasons for not wanting her down here, not the least of which is that one word from her can ruin everything.

Who knew but that those hundred words might not have already ruined the Fair?

A word from Passepartout to his master would ruin all.

You will be questioned about her, and one wrong word will ruin you.

I didn't want to let mere words ruin what I'm trying to give them.

She has written three little stories, perfect in every way, to change a word would ruin them.

You won't find any mention of that in the song, and not just because those words would ruin the meter.

One word of advice to Harry: don't ruin what you have with a short term offer to Beckham.

Never one word or you'll ruin everything.

They don't talk about the similarities; words might ruin the whole delicate enterprise.