From a HBR interview with General Electric’s former CEO-Chairman Jack Welch:

For a large organization to be effective, it must be simple. For a large organization to be simple, its people must have self-confidence and intellectual self-assurance. Insecure managers create complexity. Frightened, nervous managers use thick, convoluted planning books and busy slides filled with everything they’ve known since childhood. Real leaders don’t need clutter. People must have the self-confidence to be clear, precise, to be sure that every person in their organization—highest to lowest—understands what the business is trying to achieve. But it’s not easy. You can’t believe how hard it is for people to be simple, how much they fear being simple. They worry that if they’re simple, people will think they’re simpleminded. In reality, of course, it’s just the reverse. Clear, tough-minded people are the most simple.