"greedy nature" is correct and usable in written English.
You can use it to emphasize a person's tendency to selfishly strive for more. For example, "The wealthy businessman's greedy nature meant that he was never satisfied with his wealth."
Yet despite the consistent failure to temper our greedy nature, I still have hopes.
From populist opprobrium to elitist disdain — standard social behavioral devices have proved unable to dent humanity's greedy nature.
Two illustrations from the chapter in which Pooh goes visiting (Lot 8, pictured at left) are all that are needed to understand his greedy nature.
Kenny said that people who have not had a pay rise for two or three years wanted to see King do more about the "rampant, greedy nature" of the banking industry in the country.
The existing security solutions in DTNs cannot cope with the greedy behavior because of the greedy nature of nodes.
Due to its greedy nature, fairness of all three algorithms in Fig. 10 is decreasing with increasing number of the SUs accessing the network.
Greedy by nature, I choose both.
Pan once said, "A businessman should be greedy by nature, but he must also be rational".
A full buffer source is greedy in nature having an infinite number of packets in the buffer.
For artists, who are by nature greedy to be larger than themselves, the acknowledgment that their private reality cannot, even through the diligent application of their art, comprehend the entire world can be deflating.
"We humans have become greedy, behaving like nature is there for our taking," said Lie. "When you have a population as small as the one we have in Norway now, you have to draw the line".
