Definitions: (1) careful, efficient, and prudent regarding the use of resources; thrifty; (2) operating with little waste or at a savings

• A concerted effort to preserve our heritage is a vital link to our cultural, educational, aesthetic, inspirational, and economic legacies – all of the things that quite literally make us who we are. — Steve Berry (1955-) American author & attorney
• You are loved just for being who you are, just for existing. You don’t have to do anything to earn it. Your shortcomings, your lack of self-esteem, physical perfection, or social and economic success – none of that matters. No one can take this love away from you, and it will always be here. — Baba Ram Dass [born Richard Alpert] (1931-) American spiritual teacher

Comment: You spend a few dollars and get some bread. You eat the bread, use its energy, and it is gone. You spend more dollars on gasoline, use its energy, and it is gone. The sun will burn out in a few billion years – then it will be gone. On the other hand, the economy – even the physics – of a quality is the opposite: as you use it, it not only regenerates itself, it actually builds more substance. The only way to waste it is to not use it.