How does a person overcome weakness?

Any weakness which a person has basically comes from the weakness of his mind. For example, if your stomach is not functioning properly, your body will get sick. In the same way, if your mind is not concentrated, if your mind is not getting the proper spiritual food, there will be weaknesses. So, directly and indirectly, when a person meditates, the meditation itself will removes all the weaknesses that he sees through introspection. Through Knowledge, one is contented in himself. Through meditation, all the desired results are achieved.For example, I am sitting in a car. Even though my vision, my power to see, is perfectly normal, if there is dust on the windscreen I cannot see properly. So what I do is, get out of the car, clean the windshield and then I can see properly. Likewise, right before a meditator are all his karmas on the windscreen. The karmas are simply there, clouding his vision. “Simply by shooting an arrow into the sky I can tie the sky into one bundle, but I cannot control this mind”, said Arjuna. His karmas were right there before him. That is why patience is necessary. If you have perfect concentration, you’ll have a perfect experience. If your concentration is lacking, you’ll have a different experience. It depends on your efforts. One day your effort is there and you have complete concentration. You put all your efforts there and you can concentrate. Effort itself is karma.