He spoke of the "iron discipline" it took to get so bulgy.

"I want to be kept under an iron discipline," she said.

Therefore soldiers must be treated in the first instance with humanity, but kept under control by means of iron discipline.

Only iron discipline can control an obsession, and Peter had none.

He had seen the iron discipline on his ship.

The army had iron discipline, with the officers vigorously checking if everything was ready before a battle.

The iron discipline was relaxed for a few hours to let the Yuletide spirit run free.

I'll have to do it carefully, for she is a hard woman and rules my house with iron discipline.

Not everybody below could be held back by iron discipline, of course.

But with the iron discipline that had gotten him to the top of a dark and dangerous profession, he put aside his body's needs.