Who among the living could know the true source of his life?

I must explain to you the true source of men.

If this happened, it was possible the true source of the money he had left would be discovered.

And that was before I knew how to tap the true source.

Many programs produced errors and it was too difficult to understand the true source of the problems.

This, after all, is the true source of European unity.

The true source of the money was the American motorist.

That leaves workers as the only true source of competitive advantage.

Democratic officials have also made no further efforts to find the true source of the questionable contributions.

But what was the true source of the information?