Because We can only be certain about now, these may have practical implications when considering future work, because Future work is an option
We can only be certain about now
Because We can only be certain about now, metrics can provide further clarity on the current situation, but these cannot be meaningfully projected into the future without acknowledging that there is uncertainty about the future
Agile is best suited in complex adaptive environments with a high degree of discoverability (We can only be certain about now).