You are never too old to set another goal or to dream a new dream.
在数学中,提出问题的艺术必须比解决问题更有价值。
The future of food security lies in our ability to adapt and collaborate across borders.
理解计算的极限与扩展其能力同样重要。
The truth is you don't know what is going to happen tomorrow. Life is a crazy ride, and nothing is guaranteed.