inflexibility

"You must do your homework before you can watch television."

"He is a student of life."

"The tadpole changed into a frog.   Stock prices are constantly changing."

"My daughter's teacher is very kind and helpful. "

"As everyone knew, he was capable of violence when roused."

"The child was unyielding in his desire for a cookie before dinner, no matter how much his mother tried to reason with him. "

"The Communist Party has a policy of returning power to the workers."

"It frustrates me to do all this work and then lose it all."

"Quality of life is usually determined by health, education, and income."

"The current state of the project is that we are behind schedule. "

"After sitting at the desk for hours, I felt a lot of stiffness in my neck. "

"The schedule was inflexible, so we couldn't change our meeting time. "