Do you work crossword puzzles? If so, do you use a pencil or a pen? If you're a pencil user, here's a challenge: next time you work a difficult puzzle, do it in ink.
It could get messy; you might have to write over letters or scribble in the margin beside the puzzle. As you're doing it, you might even question the sanity of the person who suggested using ink in the first place. But here's the point: ink is forever. You can't erase it. Once it's there, it's there.
Kinda like life. It would be nice to think that we all carried an existential eraser around with us that we could take out to fix a problematic situation or a mistake we've made with just a couple swipes, but that's not how it is, is it? Life is messy. All of the things we do- whether right or wrong- are permanent. Working puzzles in ink might serve as a gentle reminder of that (potentially disquieting) fact.
Another thing to consider is that ink, depending on your penmanship, is bold and clear. It doesn't get obscured like graphite on paper does. If you have a book of puzzles, you can flip back to the first page and see that every letter is as dark as the day you jotted it down. Life is like that, too, isn't it?. Do things boldly and they will be remembered for generations to come. Go through life writing everything in pencil, and your life might eventually be forgotten entirely.
So today, uncap your precision writing instrument and make your mark - in bold strokes!