Time alone would prove them right or wrong on that.
However, the third time proved it was more than just chance.
He said that time has proved him right on both points.
We will see if time proves me wrong on this one'.
I believe, however, that time has proven the approach right.
They'd have a hell of a time proving he ever came near me.
This time, however, he proved of no use at all.
However, his time in this post proved to be short.
Yet he'd made himself wait, and time had proved the wisdom of his decision.
I suspect this time will prove to be the same.