We learn from here the humility of the Holy One, Blessed is He. Since man is in the likeness of the angels, and they would be jealous of him, for this reason, He consulted them. Rashi
Do not be jealous of your sister. Know that diamonds and roses are as uncomfortable when they tumble from one's lips as toads and frogs: colder, too, and sharper, and they cut. Neil Gaiman
You can only be jealous of someone who has something you think you ought to have yourself. Margaret Atwood
You have no right to be jealous of a woman who wants to be more of a woman by watching a man dressed up as a woman. Peter Greenaway
You can be the moon and still be jealous of the stars. Gary Allan
Many hens may be in love with one cock, but none will be jealous of the other. African Proverb