"Everything has its limit - iron ore cannot be educated into gold"

This quote by Mark Twain is a suggestion that there are limitations to what we can do. It is impossible to turn iron ore into gold, no matter how much education or understanding we have. This quote is a reminder that we ought to not attempt to do the impossible, which we ought to accept the limitations of our capabilities. It is likewise a pointer that we should not attempt to take faster ways to success, as this will not lead to lasting success. Instead, we should focus on establishing our abilities and knowledge, and use them to attain our objectives. This quote is a tip that we should not try to do the difficult, and that we ought to accept the limits of our capabilities.