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Liberty consists of being able to make everything as harmless as possible.

Moths are completely harmless.

It was just harmless fun

There's no need to be frightened of the dog; he is quite harmless.

There may be a killer who looks harmless in any social network.

It's a new drug, quite harmless. / Harvey says the guy's harmless. / You're annoying as hell, yes, but ultimately... harmless.

I know more about leeches now than I did then, but, although I know they are mostly harmless,

Peter might look a bit fierce, but actually he's fairly harmless. There were those who found the joke offensive, but Johnson insisted it was just a bit of harmless fun.

Taken in small doses, this drug is completely harmless. Their jokes seemed harmless enough.

She asked him to hunt only harmless animals, so that he would not get

And this is actually how a cancer goes from being harmless to deadly.

This bacteria is considered harmless to humans.

Behaviour that seems harmless can lead to dependency.

However, she consulted her doctor and he assured her that two weeks in the mountains would undoubtedly be harmless and relaxing.

Heat will break this chemical down into harmless gases.