The following examples are like the ones you should be looking for in your book.  Remember: analogies are like similes with two parts.

To illustrate one thing by its resemblance to another has been always the most popular and efficacious art of instruction. There is indeed no other method of teaching that of which anyone is ignorant but by means of something already known; and a mind so enlarged by contemplation and enquiry that it has always many objects within its view will seldom be long without some near and familiar image through which an easy transition may be made to truths more distant and obscure. --Samuel Johnson

He that voluntarily continues ignorance is guilty of all the crimes which ignorance produces, as to him that should extinguish the tapers of a lighthouse might justly be imputed the calamities of shipwrecks. --Samuel Johnson

A baby sitter is a teenager acting like an adult while the adults are out acting like teenagers.

A banker is someone who lends you an umbrella when the sun is shining, and who asks for it back when it start to rain.

A boy, frustrated with all the rules he had to follow, asked his father, "Dad, how soon will I be old enough to do as I please?"
The father answered immediately, "I don't know. Nobody has lived that long yet."

A calm sea does not make a skilled sailor.

Acceptance of what has happened is the first step to overcoming the consequences of any misfortune.

A child's life is like a piece of paper on which every person leaves a mark.

A dog inside a kennel barks at his fleas. A dog hunting does not notice them.

A friend is someone who thinks you're a good egg even though you're slightly cracked.

A friend is someone who dances with you in the sunlight and walks beside you in the shadows.

A friend is someone who knows the song in your heart, and can sing it back to you when you have forgotten the words.

The early bird gets the worm.