Capricorn is the most disciplined of signs, able to forgo short term gratification, in favor of long term rewards. This can inspire you to master your art, or commit to being an expert in your field. If you've got a knack for something, consider taking it to the next level now. It's a great time for long range goal setting.
The Sun in Capricorn infuses us with the stick-to-it-ness that comes naturally to this cardinal earth sign. You may be better able to envision the end result, and therefore, have the motivation to keep going. You can find the firm steps that'll take you to your goal.