Making a wrong decision is understandable. Refusing to search continually for learning is not.
Many managers feel, somewhat cynically, that people are being paid to do their jobs and that's that. This attitude reflects an insensitivity to people that is a trademark of many hockey-style managers.
The great discoveries are usually obvious.
Successful people breed success.
It is not possible to know what you need to learn.
Slowness to change usually means fear of the new.