Great and small
Definition 1 of 1
Pro Tip 1/3Inclusiveness
The phrase emphasizes including all things or people, whether they're considered significant or minor. 
The charity event welcomed donations from the great and small alike.
Pro Tip 2/3Equality
Suggests that size or importance does not influence the value or contribution of things or people. 
The festival celebrated cultures great and small.
Pro Tip 3/3Variety
Indicates diversity, presenting a range from the biggest to the smallest in a group or collection. 
The exhibition featured artifacts great and small, each with its own history.