== Reason ==
Always trace the reason for all IT issue.
IT always have reasons.
and if you don’t trace the reason, IT will be a complete mess to you.
And as garbage in garbage out, the product you produce will be only crap.
== Quality ==
Managers often think quality are difficult to control. In fact, it is you who decide the quality.
E.g. if your never give out product until they are over 98%, then the quality of your product is 98%.
In fact, this is how the masterpieces in the History comes from.