These aren't conveniently made-up beliefs; they're sincere and deeply held religious convictions.

I don't know what fear is,' pursued the engineer, with the enthusiasm of sincere conviction. '

There are others who share sincere convictions that the Supreme Court's decision must be changed by a constitutional amendment prohibiting all abortions.

He held the sincere religious convictions of a Swedenborgian, and over the years became ardently opposed to slavery.

Sam's voice as he explained this carried sincere conviction.

He wrote always as he would have spoken, from sincere conviction.

Others did so by sincere conviction, such as Isidore of Kiev, who suffered greatly for it.

It is my sincere conviction that it is possible to find solutions.

It is my sincere conviction that we must make haste.

"It was done out of sincere conviction."