If you are so rigid that you refuse to entertain any other ideas, you will become so rigid it will break.
This causes the heart's muscular walls to become so rigid that the heart cannot expand to fill up with all the blood that is returning from the body.
By the twentieth century, the Church's rejection of modernism — not only scientific thinking but also democratic liberalism, pluralism, and individual rights — had become so rigid that it was bound to crack, and crack it did.
"I think the main issue is that Iranian foreign policy has become so rigid that it's hard to come up with a Plan B. They've built this framework of resistance that's hard to escape".
Carter resigned quite publicly, saying that church doctrine (which, among other things forbids the ordination of women) had become so "rigid" as to be no longer compatible with his faith.
Prevailing ideas of freedom in the United States, he noted, had become so rigid that Americans could no longer appreciate definitions of freedom, common in other countries, related to social justice and economic equality, "and hence are baffled by their use".
By the twentieth century, the Church's rejection of modernism not only scientific thinking but also democratic liberalism, pluralism, and individual rights—had become so rigid that it was bound to crack, and crack it did.
And the formats - in news and documentaries - have become so rigid and repetitive that the audiences never really look at them.
The problem is that group think can become so rigid that it forbids actual thinking, which needs to be open and flexible.
But when those rules become so rigid that they appear to prevent the employee from helping a customer in need then you will find that what is really needed is balance.
