You must have a supplier relationship of constant improvement.
A leader knows who is outside of the system and needs special help.
What makes a scientist great is the care that he takes in telling you what is wrong with his results, so that you will not misuse them.
People are entitled to joy in work.
The result of long-term relationships is better and better quality, and lower and lower costs.
When asked what single event was most helpful in developing the Theory of Relativity, Albert Einstein replied, "Figuring out how to think about the problem".