Thinking without constructive action becomes a disease.
Power and machinery, money and goods, are useful only as they set us free to live.
Many people are busy trying to find better ways of doing things that should not have to be done at all. There is no progress in merely finding a better way to do a useless thing.
People are as happy as they choose to be.
It's your thinking that decides whether you're going to succeed or fail.
Minicars produce miniprofits.