Just because a company falls doesn't invalidate what we can learn by studying that company when it was at its historical best.

To have a Welch-caliber C.E.O. is impressive.To have a century of Welch-Caliber C.E.O.'s all grown from the inside - well, that is one key reason why G.E. is a visionary company.

In a world of constant change, the fundamentals are more important than ever.

Companies that change best over time know first and foremost what should not change.

That good is the enemy of great is not just a business problem. It is a human problem.

The difference between a good leader and a great leader is humility.

The signature of mediocrity is chronic inconsistency.