Do you think starting a hard work to learn something in your career is something right or wrong?

yes & you have to Continue work hard

yes, there are lots of things that are not taught and told during educational phase of any profession, go and get it is the best way, hard work is the key.

gaining knowledge is always useful in life, it can have far reaching effects, not only on your current job, but perhaps for your next job/career!

It will be the best and only way

hardship gives us a lesson.i like life trials

Working hard is something related to the person it self . If you want to be someone with a value , you have to understand that you have add this value .