Teaching is a lot like investing. In “A Random Walk Down Wall Street” by Malkiel, there is this excellent chart about the outcomes from investments as they get longer and longer: basically, the longer you keep your money in the stock market (in a well-diversified portfolio, with rebalancing and dollar cost averaging), the safer it becomes with higher average returns.
I want to point this out because it is a very important concept that comes up throughout the book.
I also wanted to bring this up because I think it is an important concept with teaching as well. The longer you teach*, the higher average returns you’ll get from your students and your paycheck. Like many other things in life, too, teaching and investing require discipline and time to get anywhere.
So, if you’re feeling mediocre, lazy, or even burnt-out with your teaching/investing, please realize that this is not a short-time pursuit. Little-by-little you can go far.
Thanks for reading a very short post!
*This chart about investing requires smart moves like a diversified portfolio. This applies to teaching as well: you won’t get better average returns with time unless you diversify your teaching. You won’t improve without branching out and learning more. You won’t improve without effort, without “rebalancing,” without reflection.
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