The most advanced greenhouse is worthless without farmers who understand the rhythm of the plants.
Listen to everyone in your company and figure out ways to get them talking. The folks on the front lines—the ones who actually talk to the customer—are the only ones who really know what's going on out there. You'd better find out what they know.
我们心理学的一般立场是经验性的:我们的科学不过是经验的事实。