Jealousy is as it says in that quote the fear that you don't have value. Self value, self love the things you need to over come jealousy in a way that others with envy you. Therefor you can reach out and help them over come their jealousy and achieve a self love that you can learn to love and respect others. The envy you have towards others will become the envy others have towards you. Although envy should not be the only thing to push you to achieve self happiness.
The energy you project to envy others around you is wasted. You do not need to waste that energy in such ways, you need to convert this energy into positive ways, such as ways to improve your self image and gain more towards your self love and self happiness. With this your whole world will change in the best way possible, it will be as if you were reborn into a better more confident person. The world you thought you new will be turned upside down and you will understand the reason for your envy and your sadness.
The energy you project to envy others around you is wasted. You do not need to waste that energy in such ways, you need to convert this energy into positive ways, such as ways to improve your self image and gain more towards your self love and self happiness. With this your whole world will change in the best way possible, it will be as if you were reborn into a better more confident person. The world you thought you new will be turned upside down and you will understand the reason for your envy and your sadness.