Quotes About Stability

Don't look like that. Everything's going to be okay. The center will hold." "How do you know?" "Because we are the center.

You stay cool. You don't lose your head. And you know what? You should probably keep doing that—because then you won't lose your heart either.

One of the most important functionalities is durability: the capacity to thrive over a long time without dependence on resource-consuming maintenance regimes.

So even in firms that embrace change and appear to manage it well, there are elements of tremendous stability in their businesses.

the landscape retains its grip on the collective imagination, offering the promise of tranquillity, open space, freedom from responsibility; a rustic souvenir of permanence and stability. Britons treasure their shrinking countryside like a family heirloom wrapped in silk, locked away in the secret compartment of a writing table, protected from foreign invasion for most of a millennium.

When the players will never meet again, the strategy of defection is the only stable strategy.

La fiabilidad. Si solo pudiéramos elegir una cualidad de la que dotar a la gente con la que interactuamos, esa sería la de la fiabilidad.

The threat to capitalism is no longer communism or fascism but a steady undermining of the trust modern societies need for growth and stability.

The threat to capitalism is no longer communism or fascism but a steady undermining of the trust modern societies need for growth and stability. When most people stop believing they and their children have a fair chance to make it, the tacit social contract societies rely on for voluntary cooperation begins to unravel. In its place comes subversion, small and large—petty theft, cheating, fraud, kickbacks, corruption. Economic resources gradually shift from production to protection.

A society deadened by a smothering network of laws while finding release in moral chaos is not likely to be either happy or stable.

Most marriages can survive "better or worse." The tester is all the years of "exactly the same."

Unbalance so as to re-balance.

Let nothing be changed and all be different.

Earth changes, but thy soul and God stand sure.

I trust in nature for the stable laws of beauty and utility. Spring shall plant and autumn garner to the end of time.

On the other hand, a system being developed by five different teams, each of which includes seven developers, cannot make progress unless the system is divided into well-defined components with reliably stable interfaces. If no other factors are considered, the architecture of that system will likely evolve into five components—one for each team.

It is the volatile concrete elements of our system that we want to avoid depending on. Those are the modules that we are actively developing, and that are undergoing frequent change.

THE STABLE ABSTRACTIONS PRINCIPLE A component should be as abstract as it is stable.

The Stable Abstractions Principle (SAP) sets up a relationship between stability and abstractness. On the one hand, it says that a stable component should also be abstract so that its stability does not prevent it from being extended. On the other hand, it says that an unstable component should be concrete since its instability allows the concrete code within it to be easily changed.

The SAP and the SDP combined amount to the DIP for components. This is true because the SDP says that dependencies should run in the direction of stability, and the SAP says that stability implies abstraction. Thus dependencies run in the direction of abstraction.

THE STABLE DEPENDENCIES PRINCIPLE Depend in the direction of stability.

The diagram in Figure 14.5 shows X, which is a stable component. Three components depend on X, so it has three good reasons not to change. We say that X is responsible to those three components. Conversely, X depends on nothing, so it has no external influence to make it change. We say it is independent.

STABILITY METRICS How can we measure the stability of a component? One way is to count the number of dependencies that enter and leave that component. These counts will allow us to calculate the positional stability of the component.

Don't depend on volatile things. GUIs are volatile.