The design of the Mac wasn't what it looked like, although that was part of it. Primarily, it was how it worke... — Steve Jobs

The design of the Mac wasn't what it looked like, although that was part of it. Primarily, it was how it worked. To design something really well, you have to get it. You have to really grok what it's all about. It takes a passionate commitment to really thoroughly understand something, chew it up, not just quickly swallow it.

Author: Steve Jobs

Insight: Most of us think design means making something pretty—a nice color, clean lines, a logo that catches the eye. But Jobs is pointing at something deeper: design is really about how something feels when you use it. A beautifully shaped doorknob that's uncomfortable to grip fails at design, no matter how elegant it looks. The real work happens invisible to most people, in the thousands of tiny decisions about flow, responsiveness, and friction. What's striking is how rare this kind of thoroughness actually is. We live in a culture that rewards speed and surface-level polish. But getting truly good at anything requires what Jobs calls "grok"—not just understanding it intellectually, but living with it, wrestling with it, letting it change how you think. A parent who really grasps their teenager's world, a teacher who deeply understands why students struggle with a concept, a manager who actually knows how their team works day-to-day—these people create better experiences because they've done the unglamorous work of genuine understanding. The counterintuitive part: this approach actually takes less time than constant reworking. When you understand something this deeply, the right solution often becomes obvious. You stop guessing and start knowing.

Source: Walter Isaacson, Steve Jobs, p. 119, 2011