数学中真正的挑战不是解决问题，而是提出正确的问题。
The true challenge in mathematics is not solving problems, but asking the right questions.
全球性挑战需要全球性思维和本地化行动。
Innovation and technology will be key drivers in meeting the world's energy needs sustainably.
Life is constantly letting go, but the biggest regret is that we don't have time to say goodbye properly.