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Quotes About Efficiency

when a device as simple as a door has to have a sign telling you whether to pull, push, or slide, then it is a failure, poorly designed.
~ Donald A. Norman
La stessa tecnologia che semplifica la vita offrendo più funzioni in ciascun apparecchio la complica anche rendendo il dispositivo più difficile da imparare e da usare. Questo è il paradosso della tecnologia.
~ Donald A. Norman
Alexander speculates that no more than 9 percent of the land should be devoted to parking, and most pedestrians probably do feel the less parking, the better. Many
~ Unknown
The best programs are written so that computing machines can perform them quickly and so that human beings can understand them clearly. A programmer is ideally an essayist who works with traditional aesthetic and literary forms as well as mathematical concepts, to communicate the way that an algorithm works and to convince a reader that the results will be correct.
~ Donald E. Knuth
Premature optimization is the root of all evil.
~ Unknown
In product development, our greatest waste is not unproductive engineers, but work products sitting idle in process queues.
~ Donald G. Reinertsen
The more detailed we made our plans, the longer our cycle times became
~ Donald G. Reinertsen
Since high capacity utilization simultaneously raises efficiency and increases delay cost, we need to look at the combined impact of these two factors. We can only do so if we express both factors in the same unit of measure, life-cycle profits. If we do this, we will always conclude that operating a product development process near full utilization is an economic disaster.
~ Donald G. Reinertsen
We should not prioritize on the basis of project profitability, but rather on how this profitability is affected by delay.
~ Donald G. Reinertsen
when product developers choose to operate their processes at high levels of utilization, they create unnecessary and wasteful variability in their processes. It is important to realize that this variability is a self-inflicted wound.
~ Donald G. Reinertsen
Batch size is a tremendously useful tool for reducing queues.
~ Donald G. Reinertsen
reducing batch size before adding capacity at bottlenecks. Batch size reduction is cheaper than adding capacity, it is easy to sell to top management, and it massively reduces queues.
~ Donald G. Reinertsen
Reducing batch size reduces variability, and with lower variability, we may find our existing capacity is already sufficient.
~ Donald G. Reinertsen
Irving was the kind of guy who worked perhaps an hour a day and accomplished more in that hour than most managers did in twelve hours. I learned something from that: it's not how many hours you put in, it's what you get done while you're working.
~ Donald J. Trump
The world moves along at such a fast clip that we have little patience when things are slow, whether it's the line at a supermarket or Internet access. We've become intolerant of those things that cannot be accelerated or skipped entirely. I can't speed up the foundation work for a building, nor can I expect to play piano like Glenn Gould just because I want to.
~ Donald J. Trump
Real estate is all about wasting time. The more time you waste, the more money you make.
~ Donald J. Trump
It isn't about what you don't get done; it's about what you do get done.
~ Donald Miller
In business, if we don't communicate clearly, we shrink.
~ Donald Miller
And they should be able to answer these questions within five seconds of looking at our website or marketing material:
~ Donald Miller
offering increased productivity, increased revenue, or decreased waste are powerful associations with the need for a business (or an individual) to survive and thrive.
~ Donald Miller
your product will help save your customer time or money, you want to say so. Avoid elusive language like "fulfilling" or "satisfied" and instead use specific language like "you'll save time this summer" or "your lawn will make your neighbors jealous.
~ Donald Miller
unlike a statement such as "Our lawnmower works like a Roomba in that it safely cuts your lawn without you having to break a sweat.
~ Donald Miller
We've saved customers thousands of hours of working in their yards so they can spend more time enjoying it than working on it." Only put authority on your site that directly relates to their success.
~ Donald Miller
anything that doesn't serve the plot has to go.
~ Donald Miller