"If you have a denial of access somewhere, even if it is for a relatively short time," he continued, such a delay "could be a very significant matter".
"I have myself witnessed repeated instances where there has been a denial of responsibility, corrosive suspicion, deliberate delay and a practice of hiding behind values in order to deflect or stifle criticism and protect self-interest.
Human Rights Watch has accused the Saudis of using cluster bombs, a US-supplied munition also used by the Israelis, although Riyadh's military spokesman has issued a denial.
People are deprived of their freedom of movement by Israeli sieges and closures, and for many this has meant a denial of their right to medical care.
Paramount Pictures has issued a denial that Pope Francis cancelled a planned audience with the film-makers behind its $130m epic Noah.
"There has been a denial by certain political groups of the history of the war, and a failure to account for the crimes of sexual violence against women," said Sara Hossain, a human rights lawyer based in Dhaka.
For example, for the Israelis this has meant a denial of the dilemma of Palestinian refugees and on the Palestinian side, a denial of Israel's genuine security concerns.
If you don't have a strong denial mechanism, try waking up in your bed at 3am when there are no distractions.
"You can't simply say that discrimination inherently occurs simply because one racial group may have a higher denial rate," said Wright H. Andrews, a lawyer for lender groups.
Always examine your credit record before applying for credit, because you don't want any surprises and have a credit denial letter sent to you.
