Really hard to understand this passage...

when the good provides the way to reach the goal. At the same time the bad gives you some joy to move away from tat goal. so, one should be conscious about the things happening around him. When you want something beneficial to be happened, you should discard the joy provided by the bad. The bad will again provide you with a different option. when you get the desired one use it. Provided you should always try to reach the goal provided by good.


Hard work...

you cannot say that Hard work always pays. for example,Searching an unavailable thing with lot of effort and strain is a mere waste. So, examine the path you chosen. check its feasibility. And then, try a hand on it. "Don't be a miserable Hard worker "