He then looked up at the source of the light.

The four men on the near bank turned to look at the source of the voice.

Wasn't he more or less at the source of all information?

The face looked over her at the source of the light.

So the good news is I can answer those questions by looking at the source.

We must deal with the problems in this area at source.

The thing is you have to look at your source of information for that.

We must also deal with this problem at its source.

We've had Federal men down here, but they can't seem to get at the source of supply.

Now you end up at the source, which is pure being.