The soldiers in the field know firsthand about the ministry's problems.

They knew firsthand what can happen when the government, its standing army, and the police have too much power.

"I know firsthand of the trauma such events can bring about."

Beginning writers are always advised to write about people and things that they know firsthand.

"He just doesn't really know about it firsthand," she said.

If something were to go wrong, he wanted to know about it firsthand.

I also know firsthand the struggles working parents face in finding the best education for their children.

That will show me to trust what I don't know firsthand.

She knew firsthand what drugs could do to one's mental state.

He had no desire to know firsthand what his future priests were thinking.