10. The Sixth Doctor
Kicking off with this Sixth Doctor classic which inspires us all to seize the day and live for the moment. Want something out of life? Go out and get it because the chances are it won't come to you. Unless it's a Dalek invasion, in which case it's unavoidable. Still, you'll cross that bridge when you get to it because you're seizing the day, remember? A little self-motivation can go a long way...