If you have never failed at anything, then you haven't been trying hard enough, aren't very imaginative, or have had such extraordinarily good luck that you have come to believe you are invincible.

I regularly take my entrepreneurship students out walking because I want to get them in the habit of noticing and thinking about what they notice. They have to leave their phones behind to learn the basic lesson: Be where you are.

A fantastic model of collaboration: thinking partners who aren't echo chambers.

For good ideas and true innovation, you need human interaction, conflict, argument, debate.

We know - intellectually - that confronting an issue is the only way to resolve it. But any resolution will disrupt the status quo. Given the choice between conflict and change on the one hand, and inertia on the other, the ostrich position can seem very attractive.

Business is not a science; it is not susceptible to experiments that can be controlled and replicated. Everything in business is too unpredictable for that - every business, employee, product, market is different and keeps changing.

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