Variety is the spice of life
Definition 1 of 1
Pro Tip 1/3Positive Connotation
The phrase suggests that adding different experiences is beneficial and enjoyable. 
Trying various hobbies, I realized variety is the spice of life.
Pro Tip 2/3Metaphorical Use
Understand it's a metaphor comparing variety to a spice that enhances the flavor of life. 
Moving to a new city showed him that variety is the spice of life.
Pro Tip 3/3Cultural Ideals
Reflects a cultural value placed on diverse experiences and adaptability. 
In our multicultural society, variety is the spice of life.