The next industrial revolution will be defined by how we manage our resources.

The best time to buy is when no one else wants it.

Economic theory provides the tools, but real-world testing refines them.

君主对于有才能的贤良之人应当抬举，让他处于尊位，富贵绵长；对于没有能力且无德的人应当废弃，让他贫困低贱，成为受驱使的奴仆。