First consider what you want to achieve, and then commit to it. Set SMART (specific, measureable, attainable, relevant and time-bound) goals that motivate you and write them down to make them feel tangible. Then plan the steps you must take to realize your goal, and cross off each one as you work through them.
Invocations can occur at the beginning of the poem or start of a new canto; they are considered conventions of the epic form and are a type of apostrophe.