Take lack of candor. ... I'm not talking about boldface lying, but a tendency to withhold information. That behavior is far more common, and it frustrates teams and bosses to no end.
Jack WelchThat's all managing is: just coming up with the right questions and getting the right answers.
Jack WelchArrogance is a killer, and wearing ambition on one's sleeve can have the same effect. There is a fine line between arrogance and self-confidence.
Jack WelchNothing is worse than the person in their 40s who says, 'I'm not going to learn this.' 'I don't carry an iPad.' That will label you and put you right in the corner. Some people do it as a badge of honor. I've seen them myself, they walk around bragging [about not knowing much about technology].
Jack Welch