Humility is becoming a lost art, but it's not difficult to practice. It means that you realize that others have been involved in your success.

It's the oldest, corniest piece of advice in the world but it still works. The strongest networks are built on friendship. Be a friend not only to the people in your network, but to the people who matter the most to the people in your network.

Fatigue makes fools of us all. It robs you of your skills and your judgment, and it blinds you to creative solutions. It's the best-conditioned athlete, not the most talented, who generally wins when the going gets tough.

A smart manager will establish a culture of gratitude. Expand the appreciative attitude to suppliers, vendors, delivery people, and of course, customers.

Humility is becoming a lost art, but it's not difficult to practice. It means that you realize that others have been involved in your success.

Deadlines aren't bad. They help you organize your time. They help you set priorities. They make you get going when you might not feel like it.

The truth is, success often occurs for reasons we don't expect, under circumstances over which we have little control and sometimes unrelated to our own efforts. There is only one other lesson that success should teach us: Be as amazed by your own success as your friends are. If you truly are, you stand the best chance to repeat it.