Randi Weingarten, head of the teachers' union, describes teachers using egg-timers to try to follow rigid lesson plans.
Is it fair, some ask, for middle-class students to attend schools that can improvise and innovate, while poor students are captive to more rigid, routinized lessons and schedules?
"We do not mean performance standards, textbook offerings, daily lesson plans or rigid pedagogical prescriptions".
But baseball, with its rigid attitude and stubborn pride, reinforces another lesson to kids everywhere: even if everyone does the right thing, hidebound institutions will spoil the happy ending.
In other words, usurping universal stories for our own narrow purposes and proofs, and dismissing the lessons that do not match a rigid worldview.
A lot of people like to take private lessons instead of through a school with rigid schedules.
Herbart phrased this system of instruction only in very general terms, but his successors tended to turn this framework into a rigid schedule that had to be applied to every lesson.
Crist's independence should be a lesson to both voters and prospective candidates - rigid ideology is not in the best interest of public policy because it forces good people out of the policy debate.
At $71 million in sales last year, it provides lessons in how to work through China's "system"–a morass of rigid state-run hospitals, murky investment rules and a protectionist distribution web.
If there is one clear lesson from history, it is that the combination of open financial markets and a rigid exchange rate is a disaster waiting to happen.
