Being able to live in a stable home is a basic human need, tied up with important feelings of choice and certainty, and we are living in a world now where only a few can hope for that, which cannot be right".
According to the sculptor, Blind Light, as the installation was called, undermined what architecture ought to do: "Architecture is supposed to be the location of security and certainty about where you are.
But, Abu Ahmed recalled, the jailers had a very different impression of Baghdadi – they saw him as a conciliatory and calming influence in an environment short on certainty, and turned to him to help resolve conflicts among the inmates.
In a 500-page report, the Independent Police Complaints Commission (IPCC) called for urgent improvements in the accountability of undercover firearms operations after finding that a lack of audio or video material "made it difficult, and on occasions impossible, to know with absolute certainty what happened".
I couldn't say with absolute certainty that he is deliberately setting out to be regarded as the most unpleasant man in the business, but he is certainly making a good fist of it.
I don't share Mr Gwynne's certainty.
With no European football, unlike Atletico, Sevilla and Villarreal, and a week to prepare for every game, a Champions League place looks a certainty.
It's not a certainty Julian Assange will join them either.
Shelter in 2012 proposed a new "stable rental contract" which it believes would give tenants greater stability and also give landlords more certainty of a good return, because a high turnover of tenants can cause them expensive hassle they don't need.
Preventing moral certainty is as important a goal as preventing the suffering of creatures.
Perhaps it is more a loss of control that Australia's fast bowler's have induced, bringing with it the unfamiliar spectacle of highly skilled professional sportsmen finding suddenly that they are unable to perform reflex actions with any degree of certainty.
