An expert is the one who predicts the job will take the longest and cost the most.
When working on a project, if you put away a tool that you're certain you're finished with, you will need it instantly.
A failure will not appear until a unit has passed final inspection.
Friends come and go but enemies accumulate.
The compromise will always be more expensive than either of the suggestions it is compromising.
Don't force it... get a bigger hammer.