ABSTRACT

The last of the four main capabilities of resilience – the fourth cornerstone – is the ability to learn from the past. It only comes last, however, because the four have to be listed one after the other. In practice, the ability to learn is just as important as the ability to respond, monitor and anticipate, as discussed in the Epilogue. A system cannot be called resilient if any one of them is missing and the absence of one cannot be compensated for by the increased quality or quantity of any of the others.