What made him truly dangerous to himself and to others was that he didn't pay much attention to the rest of the planet.

"Anyone who's truly dangerous is not going to show up to be registered."

Consider for a moment how truly dangerous time travel is.

This one is truly dangerous but she has the power to say "Yes."

I thought again about leaping out of the car before she did something truly dangerous.

And here, for the first time, were truly dangerous words.

The truly dangerous man is one with nothing to lose.

"It was a truly dangerous place for Americans," she said.

Though serious, this venture had not seemed truly dangerous before.

And the real professionals, the truly dangerous ones, were careful.