You learn more from losing than from winning.
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.
The best way to learn is by doing, not just by listening or reading.
The past is not just the past, but a prism through which the subject filters his own changing self-image.
Anyone who keeps the ability to see beauty never grows old.