You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
"Energy makes the toy move" is just a restatement of the unsolved "x makes the toy move," and it's one that actually makes most people worse off: if they ask a friend "what is energy?" they'll get a less applicable answer than "what makes the toy move?"
"Symbols are useful" & "symbols are useful even when you don't know what they mean" are two different claims. The latter is sometimes true, but often not, and they risk putting you in a position where you've forgotten what you don't know
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