To learn to develop clear mind, one need not have great knowledge. If one is focused, one is open to solutions and very clear answers. Then, one thing is to put all focus into each activity and quiet the mind with Mantra. If, while cooking, one is thinking, “Well, I will be going via bus to Hamburg. Then I have to email my grandmother,” etc., surely the food will burn or you will forget what you are doing.
Some efforts require skill, so make every effort to learn that skill if you think it will be necessary for you in life. It is also good to be able to do more than one thing. For example, everyone eats, so it is good to learn some basic cooking skills.
Concentrate fully on each activity as you perform your task. You will find your mind being pulled from one thought to the next. At the exact moment you find the mind drifting, immediately pull it back with Mantra and again focus on the task at hand. Thus your work becomes a type of meditation. This is one awareness technique.