Where there are two bugs, there is likely to be a third.
Never put off until tomorrow what you can put off forever.
The stored-program digital computer has three major attributes: it is fast, it is accurate, and it is stupid. The first two attributes are often used to disguise the third.
Don't stop with your first draft.
Beyond 100,000 lines of code, you should probably be coding in Ada.
If everybody's behavior can be explained by simple stupidity and greed, there's no point in assuming a conspiracy.