"You write down the equation which is M-theory".
The other side of the equation, which is the dictators of the world.
And then there's the why side of the equation, which is integrity and benevolence: so, how much do you care?
And all of these are the other part of the equation, which help to make the financial market function well.
Christine Lagarde, the managing director of the International Monetary Fund, said they "inject less libido and less testosterone into the equation", which can often lead to better results.
"There's clearly a sense of urgency around the efficiency side of the equation, which for a long time was ignored quite explicitly".
The lead director who possesses them can engender the element of trust on both sides of the equation, which may be their biggest contribution.
A social acquaintance of the Rolling Stones, Cammell was able to bring Mick Jagger into the equation, which served to reassure Warner Brothers - who agreed to underwrite the picture - that someone would go and see it, however it turned out.
He likes shooting with the Coen brothers best of all, he says, because their scripts are so good they're practically foolproof, which effectively removes him from the equation: "Which works for me".
If no one can, what is left is the lowest form of the equation, which played out today: the Muslim Brotherhood, on the streets and at war with the military — one that, so far, has chosen the hardline route.
