EVEN if you're blind, you can excel in management if you can visualize things that other people cannot see. That's the key. Otherwise, you can't be an excellent manager. 'I never predict,' Peter Drucker was quoted by Forbes magazine. 'I just look at the window and see what's visible — but not yet seen' and appreciated.

That was one of the things that corporate executives are missing — to see visible things and make sense of them. Take gravity as an example. It can't be seen but almost everyone understands it. Gravitational force is beneficial to mankind in many ways.