If you don’t pay appropriate attention to what has your attention, it will take more of your attention than it deserves.
— David Allen, Consultant
Since all project work is uncertain, both reducible and irreducible randomness, we need to pay attention to the root causes and outcomes that impact the probability of our project's success. To make decisions on how the handle the risk created by this uncertainty, we need to estimate both the drives of this risk and the consequences of the risk.
Risk Management is How Adults Manage Projects - Tim Lister