The nouns in the sentence are: leopard and spots.
The leopard cannot change his spots. The leopard is well-spotted.
The moral of the story is that to blend into your environment you need to change your appearance to match that of the background.
A leopard
just like a leopard a man can not change his skin. a leopard can not change it's spots and a man can not change his ethnicity.
A slave.
It means that you cant change who you are.
No, the leopard doesn't change its spots. This is a metaphor for change that cannot be expected in a person.
can a fly can't fly?
Jeremiah
leopard is to spots
The Leopard's Spots was created in 1902.
This phrase came from one of Rudyard Kipling's Twice Told Tales. These are children's stories with morals. They are all quite funny, but they do make a point that the kids remember. This one was about a leopard who took off his skin and had no spots, but still acted like a leopard and pounced on the other animals. Thus, "a leopard doesn't change its spots" means that you don't change your basic personality just by changing your appearance.