Incompetence plus incompetence equals incompetence.

If a cluttered desk is the sign of a cluttered mind, what is the significance of a clean desk?

In a hierarchy every employee tends to rise to his level of incompetence ... in time every post tends to be occupied by an employee who is incompetent to carry out its duties ... Work is accomplished by those employees who have not yet reached their level of incompetence.

He laughs best whose laugh lasts.

There is no stigma attached to recognizing a bad decision in time to install a better one.

You could generally inform a real close friend: when you have manufactured a idiot of on your own he does not truly feel you've finished a long lasting job.

The unexpected always happens.