1. Nothing in the world is easy except for the careless.
2. You will only suffer if you are careless, but if you are not careful, you will be fooled.
3. Practicality is the foundation for success in learning; sloppiness is the enemy of seeking knowledge.
4. A slight error can make a difference of a thousand miles.
5. One mistake can lead to eternal regret.
6. Hemp ropes tend to break at small points, and many loopholes come from carelessness.