The phrase "anyone can know" is grammatically correct and can be used in written English.
For example, you could say, "Anyone can know the answer if they study hard enough."
I don't think anyone can know what it's like unless they live through it".
Given so few homicides are properly investigated it is unclear how the president, general or anyone can know such things.
It's why I want writing to be so intimate: I want to feel as if, to the degree anyone can know anyone else, I know someone.
"The only way that anyone can know is to get an independent psychiatrist to come to give her an exam," he told the Guardian.
And it may be months, or even years, mental health experts say, before anyone can know the imprint that these events will leave on Elian's life or understand the emotions, fantasies, fears and recollections that lie beneath the surface.
"We have tried not to settle on a specific number, simply because we do not think anyone can know what will happen in the next few years," said William Lewis, director of McKinsey's Global Institute, which produced the study.
In truth, of course, neither he nor anyone else can know how long this - whatever this is - will take.
Neither he nor anyone else can know right now.
Nobody can know whether anyone will pay $1.99 a month for a slow-mo HuffPo.
"Anyone can adopt, you know.
Somewhat obviously the film argues against the idea that anyone can ever absolutely know someone else.
