He couldn't justify using the stones to mend his own heart.

No matter what the cost to himself, he knew he'd never be able to justify using a gun against a woman.

How can you justify using very tight money in a public situation for such small pockets of people?

They justified using a placebo control because there wasn't anything else.

The Bush budget, with tax cuts, is hard to justify using any model of growth.

"I can't justify using the starship for a personal mission like this."

Ars would need to justify using anything other than that.

I cannot justify using them in an operation with this great a risk factor.

But if you bring skills to the table, how can you justify not using them?

I cannot justify to my voters using their money in this way.