The flip side of renewables' low energy density is their low return on energy invested. — Michael Shellenberger Copy Share Image
In any business opportunity, you'd be looking, probably, primarily at the risk and return. Some business can be very risky with a… — John Caudwell Copy Share Image
When investing, I'm not against risk. If you take no risk you must expect a low return. Just don't let anyone fool… — Paul Clitheroe Copy Share Image
