"I don't like to think of myself as having a favourite planet, but if I'm honest, Earth comes pretty close."
Nature
"There's no point in being grown up if you can't be childish sometimes."
Humor
"The way I see it, friendship is the most powerful force in the universe."
Friendship
"I've lived a long time. The only thing I've learned for certain is that you can't run forever."
Wisdom
"Sometimes the most important thing is just to be there."
Kindness
"Time travel is dangerous. You can get killed. Or worse, you can kill someone else."
"The way I see it, every person is capable of great things."
Motivation
"I don't like endings. But there's always a new beginning."
Hope
"The way forward is never easy, but it's always worth it."
Perseverance
"You don't just give up. That's not who we are."
"The most important thing is that you keep going."
Inspiration
"I believe in second chances. I always have."
"The way I see it, life is too short to waste time on regrets."
Wisdom
"Sometimes you just need to be brave enough to do what's right."
Justice
"The way forward is together."
"I've seen the darkness at the end of the universe, and I choose to believe in hope."
Hope
"Every moment is important. Every choice matters."
Philosophy
"The way I see it, you have to hold on to what matters most."
Relationships
"I don't know why I care so much about you. But I do."
Love
"The way I see it, every life is a pile of good things and bad things. The good things don't soften the bad things, but vice versa, the bad things don't always spoil the good things or make them unimportant."
Life
"We're all stories in the end. Just make it a good one, eh?"
Life
"I don't want to go."
Death
"Allons-y!"
Adventure
"I'm sorry. I'm so, so sorry."
Kindness
"The way I see it, you've got a choice. You can either sit wallowing in the pit of despair, or you can come and have tea with me and we'll laugh about all of this later."
Hope
"I'm not running away from things, I'm running towards them."
Motivation
"The way you treat people is who you really are, not the words you use."
"The way I see it, people are capable of amazing things when you give them hope."
Inspiration
"I'm the Doctor, and I save people."
Leadership
"Would you like a jelly baby?"
Humor