* Happiness = love. (This is a simple statement about the connection between two concepts)
* Success = hard work + dedication. (This defines success as a combination of two other nouns)
* The cat = a furry friend. (This is a simple equation describing a cat)
* My favorite color = blue. (This statement expresses a personal preference)
You can also use this structure to create more complex sentences:
* The key to a good life = kindness + compassion.
* Her biggest fear = losing her family.
The key is that the two nouns on either side of the equals sign are considered equal or equivalent in some way.