What you said is simply not true. There are countless people work on different positions in different fields are enjoying hard work as part of their life.
If you read the essay through, he never said "hard work == long hours of work". He explicitly wrote "Trying hard doesn't mean constantly pushing yourself to work, though."
If you read the essay through, he never said "hard work == long hours of work". He explicitly wrote "Trying hard doesn't mean constantly pushing yourself to work, though."