moral fiber

Or, he secretly doesn't think that, but he has no power, no moral fiber, no character to disagree with them.

Ellen Key significantly says that one reason for it is our weak moral fiber, which avoids all unpleasantness.

Eating a grouse destroys, in itself, no more moral fiber than eating a ham sandwich.

Their wealth lay also in their thrift, in their ideals, and the moral fiber of their race.

It is a disease that undermines the moral fiber and manhood of any one it touches.

The result is seen in the lowered moral fiber of its people.