The most important lesson in the writing trade is that any manuscript is improved if you cut away the fat.
The 3-legged stool of understanding is held up by history, languages, and mathematics. Equipped with those three you can learn anything you want to learn. But if you lack any one of them you are just another ignorant peasant with dung on your boots.
Interpretation
What this quote means
Understanding is supported by history, languages, and mathematics, essential for learning anything effectively.
In this quote, Robert A. Heinlein emphasizes that a well-rounded education is built upon three foundational pillars: history, languages, and mathematics. These subjects provide the tools necessary to comprehend the world and acquire knowledge. Without mastery in any of these areas, one may struggle to grasp complex ideas and could remain limited in their understanding, likening this situation to that of an uninformed individual. Thus, cultivating these fields of study is crucial for intellectual growth and learning.
Themes
In practice
Example use cases
A teacher might use this quote to inspire students about the importance of learning diverse subjects.
More from Robert A. Heinlein
All quotes →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.
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I don't think we should see the world of books as fundamentally separate from the world of the Internet. Yes, the Internet contains a lot of videos of squirrels riding skateboards, but it can also be a place that facilitates big conversations about books.
I really see no harm which can come of giving our children a little knowledge of physiology. ... The instruction must be real, based upon observation, eked out by good explanatory diagrams and models, and conveyed by a teacher whose own knowledge has been acquired by a study of the facts; and not the mere catechismal parrot-work which too often usurps the place of elementary teaching.
'Good English' is whatever educated people talk; so that what is good in one place or time would not be so in another.