In "on liberty," mill compared human nature to a sophisticated machine a factory a cunning animal a tree

Human nature, as defined by Mill in his “On Liberty”, is compared to a tree. A tree as we all know is required to grow and nourish itself in all sides.  It is a living thing for it has this characteristic of developing itself according to its tendency of inward forces.

i believe it may be the hope this sorry if i'm wrong.

the use of “as” in the example to draw the resemblance. some more examples of common similes are given below. common examples of simile. our soldiers are as brave as lions. her cheeks are red like a rose. he is as funny as a monkey. the water well was as dry as a bone. he is as cunning as a fox. simile introduces vividness into what we say.