Having no problems is the biggest problem of all.
Standards should not be forced down from above but rather set by the production workers themselves.
Costs do not exist to be calculated. Costs exist to be reduced.
Ask 'why' five times about every matter.
The key to the Toyota Way and what makes Toyota stand out is not any of the individual elements…But what is important is having all the elements together as a system. It must be practiced every day in a very consistent manner, not in spurts.
The Toyota style is not to create results by working hard. It is a system that says there is no limit to people's creativity. People don't go to Toyota to 'work' they go there to 'think'.