I've never once doubted the morality of this work.

I never once doubted the depth and sincerity of their love for me, no matter what.

Even when hope seemed at an end he herd' you together and never once doubted your hearts.'

Huge emotions lurk just under the surface, nonetheless, and you never once doubt their disturbing presence.

Scientists once doubted there were any Europeans at all until about 500,000 years ago.

"Whether we could be together or not, I never once doubted how much you loved us."

The Kid never once doubted that it was so.

"I was once doubting Thomas," said the detective, but not from beside the bed any longer.

Why, he'd put her in the ring with Satan anytime and never once doubt the outcome.

Whatever the misery, he could not regain contentment with a world which, once doubted, became absurd.