Never frown, even when you are sad, because you never know who is falling in love with your smile.
纵然伤心，也不要愁眉不展，因为你不知是谁会爱上你的笑容。
The only real song is the song of the heart.
For beautiful hair, let a child run his or her fingers through it once a day.
To understand the future of secure communication, one must first understand the limitations of current cryptographic methods.
The most important thing is to keep improving the models with better physics and more data.
Don't think about starting. Just start.