Chance, too, which seems to rush along with slack reins, is bridled and governed by Law - Boethius (480-524)
All project work and product development operates in the presence of uncertainty. To manage in the presence of these uncertainties, which creates risk, we must estimate that which is not deterministic. These estimates are part of the principles of risk management.
To not estimates, willfully ignores the principles of risk management
Risk management is project management for adults - Tim Lister
