Whenever something you thought might work fails, it often proves more useful to drop the whole idea instead of wasting ages trying to fix it, only to later realise it was impossible to fix.
Similar to that : it’s pointless to dwell in past mistakes, as in doing so, you’re wasting precious present instead of using it to improve your future.
(but then again, I don’t dare say they’re my own, as I’m well too young to think that I invented the wheel… they’re just my words, or my interpretation based on my experience, and might be similar to more wiser versions said much much earlier by others )
Don’t worry about the future. Or worry, but know that worrying is as effective as trying to solve an algebra equation by chewing bubble gum. The real troubles in your life are apt to be things that never crossed your worried mind. The kind that blindsides you at 4PM on some idle Tuesday. – Wear Sunscreen
“Ne sme niko da vas bije, osim vase i nase milicije.”
(can’t be translated)
It takes all the running you can do, to keep in the same place, and if you want to get somewhere else, you must run at least twice as fast as that—Lewis Carroll (Through the Looking-Glass)
“Life got no duplicate”. (Nigerian i believe.)
“Dream as if you’ll live forever, Live as if you’ll die today!”
I’ve ripped one from one of the John Lennon’s songs a few years ago, I find it very deep and meaningful at the same time and it goes like this…
...”you don’t need a gun to blow your mind”...
Probably it has been the one I rely on it the most since back then. :/