Unfortunately NO, hard work does not always guarantee success. It's important to work hard, but it's also important to focus on the right things. Some people overwork unnecessarily to excel at their jobs, but this approach is not sustainable and can eventually lead to failure.

Success is also about working in the right direction. Developing strategies that fit your business and goals, improving your time management skills, and setting your priorities are also important to ensure success. Also, successful people increase their productivity by using tools, systems and methods that are suitable for them.

Ultimately, success is achieved by working in the right direction, using time efficiently, and adopting a sustainable approach. Working hard is important, but you must adopt the right strategies to ensure your work is effective.