Productivity
I also spent time aligning labels, icons, and buttons, both vertically and horizontally in the sidebar and tabs. It was definitely a challenge given the amount of UI elements we have on this tiny surface. This part of the redesign isn’t something you’ll immediately see but rather something that you’ll feel after a few minutes of using the app.
Karri Saarinen • How we redesigned the Linear UI (part Ⅱ) - Linear Blog

The true test, though, is learning to guess at how long something will take
Aaron Mahnke • Frictionless Freelancing
Just like listening in the dark, take notice of the moments of your day when you experience the most frustration, stress or disappointment.
Aaron Mahnke • Frictionless Freelancing
Rookies think it’s because they didn’t work hard enough, but in reality it’s because they didn’t plan hard enough.
Aaron Mahnke • Frictionless Freelancing
Let go of the thing that you’re trying to be (the noun), and focus on the actual work you need to be doing (the verb). Doing the verb will take you someplace further and far more interesting.
Austin Kleon • Keep Going: a book by Austin Kleon

Also, don’t fall into the trap of productivity porn—chasing productivity for its own sake isn’t helpful. Many people spend too much time thinking about how to perfectly optimize their system, and not nearly enough asking if they’re working on the right problems.
blog.samaltman.com • Productivity
I could spend my entire life checking off items on my to-do list, and in the end, it would make very little difference. I didn’t want my epitaph to read, “She got a lot of stuff done.” Instead, I had to figure out how I, and I alone, could make a difference—and this was as true for my homelife as it was for my professional one.
Tiffany Dufu