A gem is not polished without rubbing, nor a man perfected without trials.

A fool judges people by the presents they give him.

A filthy mouth will not utter decent language.

A diamond with a flaw is worth more than a pebble without imperfections.

A book tightly shut is but a block of paper.

A book is like a garden carried in the pocket.

A book holds a house of gold.

A bit of fragrance clings to the hand that gives flowers.