A Quote by Robert A. Heinlein

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.
You only learn when you give your whole being to something. When you give your whole being to mathematics,you learn; but when you are in a state of contradiction, when you do not want to learn but are forced to learn, then it becomes merely a process of accumulation. To learn is like reading a novel with innumerable characters; it requires your full attention, not contradictory attention.
There was no way I was going back to school to study anything for another three or four years. I was done with that. So I tried working on other people's projects, but didn't find any where I felt I could learn what I needed to learn.
Like a stool which needs three legs to be stable, mathematics education needs three components: good problems, with many of them being multi-step ones, a lot of technical skill, and then a broader view which contains the abstract nature of mathematics and proofs. One does not get all of these at once, but a good mathematics program has them as goals and makes incremental steps toward them at all levels.
Most people, throughout history, haven't learned one language to the exclusion of another. You learn to speak differently to a peasant and to a shoemaker. You speak differently to your mother, who comes from Burgundy, and to your father, who comes from Swabia.
A wise man had said that your Christian life is like a three-legged stool. The legs are doctrine, experience and practice, which is obedience; and you, will not stay upright unless all three are there. In recent years many Christians have not kept these three together.
Any man can learn anything he will, but no man can teach except to those who want to learn.
Success is a learnable skill. You can learn to succeed at anything. If you want to be a great golfer, you can learn how to do it. If you want to be a great piano player, you can learn how to do it. If you want to be truly happy, you can learn how to do it. If you want to be rich, you can learn how to do it. It doesn't matter where you are right now. It doesn't matter where you're starting from. What matters is that you are willing to learn.
If you learn music, you'll learn history. If you learn music, you'll learn mathematics. If you learn music, you'll learn most all there is to learn.
Nothing fails like success, because we do not learn anything from it. We only learn from failure, but we do not always learn the right things from failure. If there is a failure of expectations, that is, if the messages that we receive are not the same as those we expected, we can make three possible inferences.
You learn by mistakes. When you make those mistakes, you try not to make them the third time or the second time. You learn from them. Sometimes you learn the hard way. In football, if I held on to the ball too long, I got my butt kicked. You better make that decision quicker.
It's not necessary to tell all you know. It's not ladylike -- in the second place, folks don't like to have someone around knowin' more than they do. It aggravates them. Your not gonna change any of them by talkin' right, they've got to want to learn themselves, and when they don't want to learn there's nothing you can do but keep your mouth shut or talk their language.
I learn things in a backward way. I learn all those limitations, and slowly my brain soaks them up, and if things go right, you just, in an organic way, translate your ideas into those templates. That's the way I perceive the process happening.
We're progressing on a lot of fronts, but on the aspect of your responsibility - just the very basics of how we treat each other - before we learn mathematics and computers and science in school, and languages and all of this, the basis of it: What is it to be a human? What responsibility do you have?
I like to think of climate action as a three-legged stool.
Practice your improv more than learn your lines. 'Cause there's no way you'll be able to learn all those lines in a short time. You have to realize what you know and what you don't know - and what you don't know, just come up with three alternate lines or improv that you can put in that spot.
Little children can learn anything, just as they can learn a foreign language. The mind is so absorbent then. There ought to be a real program to educate teachers who want to teach grade school children about history.
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