strength of character, firmness of purpose
Or, he secretly doesn't think that, but he has no power, no moral fiber, no character to disagree with them.
Most physicians must feel, however, that the increased laxity is not so much of the physical as of the moral fiber.
They are a weakening of moral fiber, a waste of mawkish sentimentality.
In moral fiber and general characteristics the Huguenots and the Puritans were one.
You needn't lean back in it if you're afraid of relaxing your moral fiber.
I am not prepared to believe that this indicates any decay in the moral fiber of the American people.
Religion is good because it sustains the moral fiber of the people.
Persecution had given the Huguenots a sternness of mental and moral fiber, just as it had blessed and benefited the Puritans.
The result is, the homes gain in moral fiber and moral purpose.
It was when he was lauded as a national hero that his high fortunes intoxicated him, and success rotted his moral fiber.