"Risk is a function of the hazards to which a community is exposed and the vulnerabilities of that community. However, that risk is modified by the level of the local preparedness of the community at risk. It is expressed by the following notation: Risk is proportional to Hazard X Vulnerability / Level of Preparedness."
• Footnote: Living With Risk: A Global Review of Disaster Reduction Initiatives, 2004 version, Inter-agency Secretariat of the International Strategy for Disaster Reduction
"There are known knowns. These are things we know that we know. There are known unknowns. That is to say, there are things that we know we don't know. But there are also unknown unknowns. There are things we don't know we don't know."
• Donald Rumsfeld
“…risk-talk…has become too complicated…everybody thinks about risk, more or less automatically, but that we are not good enough at documenting it…probability and consequence…enormous effort to do it…[We] gave it to someone else [to perform]. That is one of the biggest mistakes, in that they are not the ones carrying out the actions who are taking part in the risk assessment.”