教育者的角色是赋予学生权力，使他们成为自己社区中的变革推动者。

The study of L-functions is a journey into the hidden symmetries of the number field.

Don't cry to quit, cry to keep going.

The downside of my celebrity is that I cannot go anywhere in the world without being recognised. It is not enough for me to wear dark sunglasses and a wig. The wheelchair gives me away.

Meeting energy demand while reducing emissions is the defining challenge of our time.