Last year, I did some reading in physics, notably enjoying Einstein's plain-English explanation of his Special Theory of Relativity. I'm a little scattered in my reading this year, but one thing I've come across is Bertrand Russell's ABCs of Relativity (free:
Here are a couple of take-aways we can apply to everyday life.
Touch. Watching the dog sniff around, I know that he understands his world by smell. If he doesn't recognize a smell, he'll taste or touch, and if he can't figure out the origin of the smell, he'll look around for it. I've thought, though, that in the way that he understands his world by smell, we understand by sight. I was wrong. We understand by touch. A tiger doesn't appear dangerous if you don't know what torn flesh feels like, but once you know what that the touch brought by a tiger is dangerous, you only have to perceive a tiger is present to get the hell out of Dodge. You're unlikely to stick around until it bites you to find out if it's a hologram or even just an audio recording.
Similarly, we only understand a coffee table's utility because we touch it and place something upon it; if we merely see it, it's useless to us – it could just as easily be a reflection in a mirror if we don't touch it.
Your starting point is arbitrary. You can start from wherever you want, or more accurately, you can call your starting point whatever you want to call it. We generally start counting at 1, but we could start at 496 with the same consequence. If you're walking 15 yards, you can start at 0 and get arrive at 15 yards, or you can start at 7,236 yards and arrive at 7,251 yards and have traversed the same distance.
Apply this to your life; let's say you're broke and want to make $1,000,000. You can call your zero point $1,000,000 and have the goal of reaching $2,000,000, as long as you understand your scale in relation to the scale everyone else uses. That sounds like a useful self-confidence boost.