Making up the Universe, Things of Relative Size

Diurnal primates with a big visual cortex.
Jonathan Swift in the doll house; Swift in the sky with diamonds; Jonathan Swift on the pot.
The proton's parts that can't be parted.
Practicing a lifetime, the violinist who became the world's greatest player of a single note.
Laughter.
Six orders of magnitude that cover the domain of familiarity.
Scales (not bathroom, snake, balance, disease, mineral, wage, or pitch).
A grain of sand.
The still gleaming hand cut 1000 years ago from a sheet of mica.
 
A . . . . Z