Since we go to school, we are taught that no pain, no gain, it means that if people want to be successful, they must work hard. But the truth is that not everyone can get what they want, even they work hard so much, but if working hard does not bring success, why should they still need to work hard. In my opinion, working hard doesn't mean the person can success certainly, success needs more factors, like the time, the luck and other things.
There is no doubt that if the person does not work hard and fight for his goal, there is no way for him to get what he wants. Some actors start their career at the very young age, when they are also 40, they become famous suddenly, if they give up, they can't be waiting for their reputation. So working hard, there is much chance to get succeed