How easy to understand once one knows the facts.

They could understand once and for all that he was a man who could pick and choose.

Once understanding his condition, he was able to overcome it.

You must understand once and for all that my mind is made up.

If I could once understand women, then perhaps I'd know what it is that makes men human.

The pitiful creature never once understood the importance of her sacrifice, and that in itself was a tragedy.

By the biological "realities" that Men once understood long ago!

It was a delightful lesson when I once understood it.

Do, for God's sake, understand once and for all that none of this means anything to me.

He never once understood the wisdom there was to be found with them.