一个组织的愿景质量决定了其未来的质量。

数学的本质在于它的自由。

数学是逻辑思想的诗歌。

"The photograph is just the starting point. The painting is something else entirely."

I don't need to be perfect. I just need to be me.

"The act of writing is an act of courage, a confrontation with the self and the world."

统一自然界所有力的挑战是一个多世纪以来推动理论物理学发展的动力。