1. Only the creator can understand the logic.2. No one understand the native tongue when computers talk with other computers.3. The warning Command or File name is incorrect, is just as helpful as If you dont know why Im angry at you, Im not going to tell you4. Your mistakes are stored in long-term memory, and can be recalled later on.5. The more you get acquainted with your computer, you realize your spending more and more of your salary on accessories.