A Quote by Robert A. Heinlein

Abstract knowledge is always useful, sooner or later. — © Robert A. Heinlein
Abstract knowledge is always useful, sooner or later.
We academic scientists move within a certain sphere, we can go on being useless up to a point, in the confidence that sooner or later some use will be found for our studies. The mathematician, of course, prides himself on being totally useless, but usually turns out to be the most useful of the lot. He finds the solution but he is not interested in what the problem is: sooner or later, someone will find the problem to which his solution is the answer.
Sooner or later. It had better be sooner. Later is like the horizon; it recedes as you approach.
Sooner or later the arm goes bad. It has to... Sooner or later you have to start pitching in pain.
We have heard of a Society for the Diffusion of Useful Knowledge. It is said that knowledge is power, and the like. Methinks there is equal need of a Society for the Diffusion of Useful Ignorance, what we will call Beautiful Knowledge, a knowledge useful in a higher sense: for what is most of our boasted so-called knowledge but a conceit that we know something, which robs us of the advantage of our actual ignorance? What we call knowledge is often our positive ignorance; ignorance our negative knowledge.
Sooner or later, the ones who told you that this isn't the way it's done, the ones who found time to sneer, they will find someone else to hassle. Sooner or later, they stop pointing out how much hubris you've got, how you're not entitled to make a new thing, how you will certainly come to regret your choices. Sooner or later, your work speaks for itself. Outlasting the critics feels like it will take a very long time, but you're more patient than they are.
To free a man from error is to give, not to take away. Knowledge that a thing is false is a truth. Error always does harm; sooner or later it will bring mischief to the man who harbors it.
If you are going to forgive a person, Liz decides, it is best to do it sooner rather than later. Later, Liz knows from experience, could be sooner than you thought.
There cannot be many people who can go through life without regretting sooner or later a lack of knowledge about horses.
It seemed to me that every adult did something terrible sooner or later. And every child, I thought, sooner or later becomes an adult.
Science only means knowledge; and for [Greek] ancients it did only mean knowledge. Thus the favorite science of the Greeks was Astronomy, because it was as abstract as Algebra. ... We may say that the great Greek ideal was to have no use for useful things. The Slave was he who learned useful things; the Freeman was he who learned useless things. This still remains the ideal of many noble men of science, in the sense they do desire truth as the great Greeks desired it; and their attitude is an external protest against vulgarity of utilitarianism.
How many people make themselves abstract to appear profound. The most useful part of abstract terms are the shadows they create to hide a vacuum.
If you meditate, sooner or later you will come upon love. If you meditate deeply, sooner or later you will start feeling a tremendous love arising in you that you have never known before.
We all have a tendency to want order in our lives. But order presupposes authority, and authority presupposes, sooner or later, that we'll all need hooves. It's going to happen sooner or later, isn't it? You know it is.
Information doesn’t deserve to be free. It is an abstract tool; a useful fantasy, a nothing. It is nonexistent until and unless a person experiences it in a useful way.
Pose a political threat to Business As Usual, and sooner or later, mostly sooner, someone will try to kill you.
The obscure we always see sooner or later; the obvious always seems to take a little longer.
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