The art market was very different before the mid-1980s: then, art was all about passion, whereas now it's become a commodity.

I think rock 'n' roll would become exponentially, considerably more difficult to perform past about 65.

If you understand cause and effect, it brings about a set of insights that leads you to a very different place. The knowledge will persuade you that the market isn't organized by customer category or by product category. If you understand the job that consumers need to complete, you can articulate all of the experiences in that job.

For us there's U2 music, and then there's everything else.

When you improve your product so it does the customer's job better, then you gain market share.

Unless man is committed to the belief that all mankind are his brothers, then he labors in vain and hypocritically in the vineyards of equality.