The key to using your true potential and mastering personal and interpersonal skills lies in obtaining left and right brain congruency. Your left brain is the logical, analytical, verbal, sequential, statistical hemisphere whereas your right brain is the creative, artistic, imaginative, spacial, holistic, rhythmic, colour and dimension orientated hemisphere.
That is a pretty long winded description. In simple terms the left hemisphere is dominant in controlling willpower and discipline whilst the right hemisphere is dominant in controlling imagination and emotion. If you are a product of the westernised education system