A proverb is a simple and concrete saying, popularly known and repeated, that expresses a truth based on common sense or experience. They are often metaphorical. A proverb that describes a basic rule of conduct may also be known as a maxim.
Time is money and it is difficult for one to use money to get time.
Teachers open the door. You walk in by yourself.
Give a man a fish you feed him for a day. Teach a man to fish you feed him for a lifetime.
Be not afraid of growing slowly. Be afraid only of standing still.