Is it within my ability? Is it proper?
Ability means that, within the scope of your ability, you may work hard to obtain things you need, but if your ability is not sufficient, you should yield to those whose ability is and not insist. There are many things in life that lead people to feel strong envy and craving, including fame, fortune, power, status and love. When you wish to obtain them, however, you must think carefully. Are my abilities and contributions sufficient to make me deserving of them? Are the conditions such that it can be obtained readily or is it forced? If your contributions and abilities are insufficient and the conditions are not ripe, yet you still hope to gain it, this is craving things you do not deserve. This will only increase your pain and the harm done to you. Turning to propriety, if we look at it based on the phrase popular with young people today, if it feels good, do it!, then we will not be able to distinguish between what is and is not proper to desire. Most people's desires are endless...