I considered going into business or becoming a lawyer - not for the money, but for the thrill of problem-solving.

There would be times when we'd rack our brains on a user interface problem, and think we'd considered every option, and he would go, " Did you think of this? " said Fadell. " And then we'd all go, " Holy Shit." He'd redefine the problem or approach, and our little problem would go away.

Business is all about solving people's problems - at a profit.

Do not focus on money, instead focus on a problem that needs to be solved for the world..money will follow you as a bi-product.

It is enough knowing the problem to solve the problem.

As you yourself have said, what other explanation can there be?'

Poirot stared straight ahead of him. 'That is what I ask myself,' he said. 'That is what I never cease to ask myself.