Research shows that when we read words on paper, it reduces our stress levels by nearly 70 percent. We also read more carefully than on tablets or laptops.

Noise is a buffer, more effective than cubicles or booth walls.

If I have to spend a lot of time on planes, I try to think of this as time off. In certain ways, it's more restful than home: no Internet, no phones, no interruptions.

Very few entrepreneurs start their business on the back of market research. Instead, they have tremendous zeitgeist, honed by paying attention to where they are.

Words are how people think. When you misuse words, you diminish your ability to think clearly and truthfully.

When you use words loosely, without care and consideration, you erode trust in yourself and in what you're saying. When you squander words, you diminish your power.