The first problem of communication is getting people's attention.
Change is hard because people wear themselves out. And that’s the second surprise about change: What looks like laziness is often exhaustion.
When you’re at the beginning, don’t obsess about the middle, because the middle is going to look different once you get there.
Once we know something, we find it hard to imagine what it was like not to know it.
What’s working, and how can we do more of it?
Many armies fail because they put all their emphasis into creating a plan that becomes useless ten minutes into the battle