Sin leads to sure and certain downfall and hence we should abstain from sinful deeds.
There is importance of money in life. In order to meet the demands of life money is required and hence we should try to earn wealth so that we don't have to face problem.
While saying this one has to keep in mind the fact that there is continuous tug-of-war going on between truth and untruth and hence one can easily understand how difficult this task is.