Self motivation, who has not needed some good techniques to motivate themselves at one point or another in their life. It could have been getting up out of your bed early in the morning to go to school or work, or go for that daily run even though it's a little cold outside. If you want to be able to effectively use your mind power to motivate yourself you have to have patience.
There are many different motivation techniques and of course not all work for everyone. However knowing them is just the first step so that you may then pick the ones that you would like to try and see if they work for you.
The first thing is you must be truly interested in the task you want to achieve. If you don't care about something it will feel like it's impossible to feel motivated about it. A good thing to do would be to connect it to your ultimate goal in the end. If you don't want to do an assignment just realize that the sooner you get it over with, is the sooner you can put it in your list of things completed and you don't have to worry about it anymore.
Another good technique would be to strengthen your desire. If it's about losing weight and you don't want to work out think about that dream body you can achieve if you just put in 20 minutes per day of exercise. Sometimes the biggest problem can be lack of energy and you need to do something that will give you an energy boost. Drink some coffee, the caffeine will give you the energy boost you need. Alternatively, you can go outside sometimes just feeling the sunshine and taking in the fresh air can be energizing.
However the easiest self motivation technique of all would be to have better sleep. If you can manage to get at least 5 hours of sleep a day, the quality of it will be more important than the quantity to help rejuvenate your body.