堅(jiān)持是數(shù)學(xué)研究的關(guān)鍵，許多偉大的成果來自于長期的奮斗。
我拍電影不是為了給出答案，而是為了提出問題。
The best armor of old age is a well-spent life perfecting it.
I think the most important thing is to make sure that the audience is emotionally engaged with the characters.