The most important lesson in the writing trade is that any manuscript is improved if you cut away the fat.
Robert A. HeinleinRead
Since survival is the sine qua non, I now define the "moral behavior" as "behavior that tends toward survival".
Interpretation
Moral behavior is defined as actions that promote survival.
In this quote, Heinlein emphasizes that moral behavior should be fundamentally aligned with the principle of survival. He suggests that actions can be considered ethical or moral if they contribute positively to the survival of individuals or society as a whole, linking ethics to the essential need for existence.
In practice
In a discussion about ethical dilemmas in survival situations, this quote can highlight the importance of survival in moral decisions.
The most important lesson in the writing trade is that any manuscript is improved if you cut away the fat.
An armed society is a polite society.
Democracy is a poor system of government at best; the only thing that can honestly be said in its favor is that it is eight times as good as any other method the human race has ever tried.
Long human words (the longer the better) were easy, unmistakable, and rarely changed their meanings . . . but short words were slippery, unpredictable, changing their meanings without any pattern.
Progress is made by lazy men looking for easier ways to do things.
When a place gets crowded enough to require ID's, social collapse is not far away. It is time to go elsewhere. The best thing about space travel is that it made it possible to go elsewhere.
There are metaphysical problems, problems of human existence, that philosophy has never known how to grasp in all their concreteness and that only the novel can seize.
Last year, when he had been staying with the Pevensies, he had managed to hear them all talking of Narnia and he loved teasing them about it. He thought of course that they were making it all up; and as he was far too stupid to make anything up himself, he did not approve of that.
The Word of God became man, that thou mayest learn from man how man may become God.
I hope corporations will dedicate a percentage of their top innovators' time to issues that could help people left out of the global economy. This kind of contribution is even more powerful than giving cash or offering employees' time off to volunteer. It is a focused use of what your company does best. It is a great form of creative capitalism, because it takes the brainpower and makes life better for the richest, and dedicates some of it to improving the lives of everyone else.
So long as they (the Proles) continued to work and breed, their other activities were without importance. Left to themselves, like cattle turned loose upon the plains of Argentina, they had reverted to a style of life that appeared to be natural to them, a sort of ancestral pattern...Heavy physical work, the care of home and children, petty quarrels with neighbors, films, football, beer and above all, gambling filled up the horizon of their minds. To keep them in control was not difficult.
The cause of freedom is identified with the destinies of humanity, and in whatever part of the world it gains ground by and by, it will be a common gain to all those who desire it.
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