In programming, as in everything else, to be in error is to be reborn. – Alan J. Perlis

There are two ways to write error-free programs; only the third one works. – Alan J. Perlis

Few companies that installed computers to reduce the employment of clerks have realized their expectations…. They now need more, and more expensive clerks even though they call them “operators” or “programmers.” – Peter F. Drucker

The best performance improvement is the transition from the nonworking state to the working state. – J.Osterhout