In neuroscience and even physics the human brain is considered a “computer made of meat.” Naturally, since humans created the computer it would mimic the human brain in many ways. One idea is that you were born with a certain amount of software.
Meditation can seem like one of the hardest things to undertake. After all, you're a busy person. Who wants to sit watching disturbing thoughts anyway? In the Eight Limb Path of Yoga, of the eight challenging steps towards liberation, meditation is number seven.
To tell a computer how to solve one big problem, you must first tell it how to solve several smaller problems. These small ones make up the bigger problem. Your brain works in a similar way.