Do not do the Japa in a hurried manner, just as a contractor tries to finish his work in a hurried way. Do it slowly with Bhava, one-pointedness of mind and single-minded devotion.
From Amrita Gita by Swami Sivananda, copyright The Divine Life Society. Swami Sivananda was a self-realized Master and a very practical Guru. Following His teachings can lead you to the Absolute.