As Carol Dweck says, “Effort is one of the things that gives meaning to life. Effort means you care about something, that something is important to you and you are willing to work for it. It would be an impoverished existence if you were not willing to value things and commit yourself to working toward them.

Anytime you're tempted to upsell someone else, stop what you're doing and upserve instead.

The ability to take another perspective has become one of the keys to both sales and non-sales selling. And the social science research on perspective-taking yields some important lessons for all of us.

But in the end, mastery involves working and working and showing little improvement, perhaps with a few moments of flow pulling you along, then making a little progress, and then working and working on that new, slightly higher plateau again. It's grueling, to be sure. But that's not the problem; that's the solution.

Now it's easy for someone to set up a storefront and reach the entire world in very modest ways. So these technologies that we thought would dis-intermediate traditional sellers gave more people the tools to be sellers. It also changed the balance of power between sellers and buyers.

Human beings are natural mimickers. The more youre conscious of the other sides posture, mannerisms, and word choices - and the more you subtly reflect those back - the more accurate youll be at taking their perspective.

Large companies are not going to disappear. Multinational companies with tens of thousands of employees are not going to disappear. In fact, many of them are getting larger because they can benefit from economies of scale.