“I learned not to worry so much about the outcome, but to concentrate on the step I was on and to try to do it as perfectly as I could when I was doing it.”

Annotation: It's unclear, whether this quote is from Hanyu himself or based on a commercial script, but it's commonly attributed to him.
Original: (ja) できなかったら、できるまでやる。できるようになったら、完璧にできるまでやる。完璧にできるようになったら、何度でも、完璧にできるまでやる。
Source: Attributed, Lines from a TV commercial for 味の素 アミノバイタル (AJINOMOTO amino VITAL), released on 1 October 2014, as quoted in フィギュアスケート14-15シーズン序盤号, published on 15 November 2014 by 日刊スポーツ新聞社 (Nikkan Sports News).

On finalizing the Iran Deal https://medium.com/the-iran-deal/introduction-fcb13560dfb9#.cxqrwquur

Xfm 10 November 2001
On Stephen Merchant

Source: The Perks of Being a Wallflower

Song lyrics, Motherland (2001), The Worst Thing
Variant: once I came close to that most elusive fire
burning with hopeless love and desire
but it was just about the worst thing that I could do
it was just about the worst thing I could do

Mohican Press interview (2005)

Devoted

Boots & Hearts 2013 Exclusive Q&A: Mackenzie Porter https://www.thereviewsarein.com/2013/08/04/boots-hearts-2013-exclusive-qa-mackenzie-porter/ (August 4, 2013)

Nausea (1938)