Hain rules:
Behind every serious accidents together, there must be 29 minor accidents and 300 threatened and attempted from 1000 onwards accidents.
Interpretation of quantitative cause a qualitative change :()
- The accident is the result of the accumulated amount
- Even the best technology, then the perfect regulation, at a practical level can not replace human qualities and their sense of responsibility
Murphy's Law:
If there are two or more ways to do something, and select one of the methods will lead to disaster, it certainly some people will make that choice.
Interpretation :( You always have to worry about a thing could happen, because worry is not without reason)
- Anything not surface looks so simple
- Everything will be longer than you expected development time
- Something wrong will go wrong will go wrong
- If you are worried about a situation occurs, then it is more likely to occur.