Like many politicians of a revolutionary turn of mind, Barbara Castle was of the middle class.

ECONOMIST: Barbara Castle

If you have a theoretical turn of mind, you can worry yourself blue about what colours are.

ECONOMIST: Science and history of colour

Mr Milosz is as much a philosopher as a literary critic, though one with a practical turn of mind, a wry sense of humour and a taste for irreducible particulars.

ECONOMIST: Translating poetry is impossible but worthwhile

Its objective is to recalibrate your mind and free you from the imprisonment of your past decisions, to break you free from the buy-and-hold state of mind and turn you into a buy-and-sell investor.

FORBES: Books For Better Investing

Bill Bonner, founder of Agora and a book-writing machine, has a steel-trap mind with an ability to turn a phrase that is way beyond that of your humble analyst.

FORBES: The End Game Of The Debt Supercycle

But keep in mind, that a lot of dreams turn into nightmares.

FORBES: Pension Consultant Conflicts of Interests (April 1, 2002 )

Shakespeare's cynical turn of phrase - "They doth protest too much" - comes to mind.

CENTERFORSECURITYPOLICY: King of the Hill

"Now the UK is confirmed as being out of the room on euro matters... the UK government needs to turn its mind and energy to negotiating a new relationship with the EU, " he wrote on his blog.

BBC: Osborne says EU treaty veto helps protect UK interests