有用是这些老人曾经对自己最好的希望,而无目的是他们最深的恐惧。
Sustainability is no longer a choice; it's a necessity for survival in our industry.
进步的关键在于坚持和挑战传统观念的意愿。
My motto has always been: A career open to all talents, without distinctions of birth.
I'm not superstitious, but I am a little stitious.
最好的领导者是那些倾听多于说话的人。
数学思想的真正考验是它能否激发进一步的思考。