“Never cruel or cowardly. Never give up, never give in.”
The Doctor’s Promise
Steven Moffat wrote the episode The Day of the Doctor, in which two of the Doctors (played by David Tennant and John Hurt) uttered the above promise.
Not much comes to those who wait.
Patitience is a virtue, but don’t wait for things to happen. Seize the day!
“A man is the sum of his memories.”
Terrance Dicks wrote the episode The Five Doctors, in which The 5th Doctor (played by Peter Davison) spoke the above words.
Think of not of the cost, think of the value.
Luck is a concept we use to describe events which are outside our [reasonable] control.
Disagree? Give me an example.