I had no plausible lie, and the truth would not serve.

It meant you needed time to think about how to phrase your answer, that the simple truth wouldn't serve.

Men, we have found, lie often, even when truth would serve them better.

I regret, but it is a moment when only the truth will serve.

It is my hope that the truth in this report will serve to speed the healing.

This was a time when only the truth would serve.

But it seemed the truth served her purpose very well.

He lies from choice even when the truth will serve.

I nearly groaned, but nothing less than the truth would serve either of us well.

But from what I've seen so far, giving you the whole truth at once wouldn't have served either of us.