The sentence 'Stubborn as a mule' is a simile as it contains the word 'as' which makes it a comparison.
Determination
A simile.
Determination, and sometimes defiance
A metaphor
As quick as a wink is a simile. ----
It is a simile.
simile It is an example of a simile (uses like or as). A simile in itself though is a type of metaphor.
simile
that man
It is a similie as you are comparing (something) to how sly the fox is. A similie uses the words "like or "as".
simile
simile