And he would not know the significance of the act.

Finally, you'll want to know the significance of the photograph behind me.

I knew and understood the significance of being black in America.

The half that stayed had not known the significance of the red light.

But the significance of this potential interaction is not known.

However, more information is needed to know the significance of this interaction.

The significance of this finding (if any) is not known.

We both knew the other significance of that coming revelation.

Almost everyone present knew the significance of the song, and those who didn't had it explained to them in short order.

It was as though this little race had become something special for these people: a ritual the significance of which they could not know.