A proverb has three characteristics: few words, good sense, and a fine image.
Proverb is the wisdom of the street;
A concise sentence, often metaphorical or alliterative in form, which is held to express some truth ascertained by experience or observation and familiar to all;
Short sentences drawn from long experience;
The experience and observations of several ages, gathered and summed up into one expression;
Notable measures and directions for human life;
The wit of one man and the wisdom of many.