"We must here bear in mind that we are beginning the book which outlines the practical part of the work, which gives the rules which must be followed if the aspirant hopes to achieve, and which indicates those methods which will bring about the realization of spiritual consciousness. The objective has been dealt with in Book I. The aspirant naturally says on concluding Book I, "how desirable and how right, but how shall this be? What must I do? Where shall I begin?" Patanjali starts at the very beginning and in this second book he indicates:"