What is the origin of the idiom "have the world at one's world" and when to use it?

The origin of the idiom "have the world at one's feet" likely dates back to ancient times. The phrase is often associated with Alexander the Great, who was said to have wept because there were no more worlds to conquer. It is believed that the expression "world at his feet" may have been coined in reference to Alexander's conquests and his perceived mastery of the known world. The phrase has been used in various contexts throughout history, and it has become a popular expression to describe a person who is in a position of power or influence and has the potential to achieve great success or accomplish anything they desire.