有时候你只需要勇敢一跃，相信自己。
Sometimes you just have to take a leap of faith and believe in yourself.
In mathematics, you don't understand things. You just get used to them.
The future of liberal democracy depends on its ability to adapt to new challenges and to maintain the support of its citizens.
Every tree we plant today is a legacy for generations we'll never meet.
Am I in love? --yes, since I am waiting.
在数学中，提出问题的艺术必须比解决问题更有价值。
I never want to stop learning and growing as an artist.