However, he was not to be kept long in ignorance.

As for myself, I took the first step years ago, quite in ignorance of what the last would lead to.

A decision made in ignorance could cost lives later on.

I was not about to let my death keep you in ignorance, however.

How could he still keep her in ignorance of the truth?

Keep her in ignorance of what you have just told me.

Left in ignorance of the future, people would go on trying to make do with what they had.

As yet he is in ignorance of what has happened.

He would later state that she kept him in ignorance.

He should not have been allowed to act in ignorance.