The goal of meditation is to mind control'. If you're not able to calm your mind and it continues to wander around when you attempt to focus, you need to follow a few strict actions to help it settle down.
This doesn't mean there's something wrong with your mental abilities. It's a regular occurrence that could be affecting the gurus when they began to learn to meditate. You can also start to learn meditation at https://freeingourmind.com/course/step-by-step-guide-to-meditating-with-joy/ free of cost and start your routine meditation.
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The first step in effective mediation is to focus. It is normal to claim that you are unable to focus your thoughts. What then? Simply, pick something close to you. Say, a candle. Focus on it until you lose all awareness of everything else going on in the room, except for that candle.
You can think that you are completely alone in the world, with nothing that could bother you. Then attempt to relax. Do your best to get deep inside your soul. Another approach is to imagine you are leaving this planet and from the solar system, and eventually, from the realm of visible space where all you see is darkness to what your eyes can reach.
Imagine a shining light that is visible to you, and then focus on the light. The focus you have will improve in no time.
Many people also experience an astonishing increase in their focus when they attempt to focus while listening to peaceful music. The truth is that from early years until we reach maturity, we've not been taught to concentrate on our inner selves. Therefore, as we grow older we have difficulty focusing on meditation as a goal.