If you do not use your arms or your legs for some time, they become weak; whenyou start using them again, they slowly become strong again. Everyone knows this, andnobody would think of questioning this fact. Yet there are many people who do not seemtO know that the memory works in the same way. When someone says he has a good memory, hereally means that he keeps his memory in practice by exercising it regularly, either consciously(H iRtb) or unconsciously. When someone else says that is memory is poor,he really means that he does not give it enough opportunity to become strong. The position is exactly the same as that of two people, one of whom exercises his arms and legs by playing tennis, while the other sits in a chair or motor car all day.If a friend complains that his arms are weak, we know that it is his own fault. But if hetells us that he has a poor memory, many of us think that his parents are to blame(สิ์t ),re that he is just unlucky. Few of us realize that it is just the same as his arms or legs are Wweak. Not all of us can become specially strong or specially clever, but all of us can improveour health and our memory by the same way-practice.Have you ever noticed that people who cannot read or write usually have better memories than those who can? Why is this? Of course, because those who cannot read or write have to remember things, because they cannot write them down in a little notebook. They have to remember everything by heart, so their memory is being exercised all the time. SO if you want to have a good memory, keep practicing remembering.