Taking someone’s time should be a pain in the ass. Taking many people’s time should be so cumbersome that most people won’t even bother to try it unl… - Jason Fried

People automatically associate quitting with failure, but sometimes that's exactly what you should do. If you already spent too much time on something that wasn't worth it, walk away. You can't get that time back. The worst thing you can do now is waste even more time.

When we start designing something, we sketch out ideas with a big, thick Sharpie marker, instead of a ballpoint pen. Why? Pen points are too fine. They’re too high-resolution. They encourage you to worry about things that you shouldn’t worry about yet, like perfecting the shading or whether to use a dotted or dashed line. You end up focusing on things that should still be out of focus.

WHAT DID YOU DO TO MY APP! I LIKED IT JUST HOW IT WAS! CHANGE IT BACK!” The standard playbook in software is to dismiss users like that. Hey, this is the price of progress, and progress is always good, always better. That’s myopic and condescending. For many customers, better doesn’t matter when comfort, consistency, and familiarity are higher up on their value chain.