I love Paulo Coelho's quote too! One day is set off into the future, but Day One is a commitment to start. Every goal you work towards will bring you, not only closer to achieving it, but also growth and learning.
Because you seem to like quotes, this is another one that speaks to me, from Thomas Edison:
I have not failed. I've just found 10,000 ways that won't work. Many of life's failures are people who did not realize how close they were to success when they gave up.
So, after Day One comes day Day Two and it keeps going on until you reach your goal.
I was brought to your post through DreemPort.