生活是世界上最罕见的事情，大多数人只是存在而已。
"To live is the rarest thing in the world. Most people exist, that is all."
The concept of NP-completeness has provided a powerful tool for understanding the complexity of problems.
Quality should never be compromised, even when pushing for efficiency.
La poesía es la única prueba concreta de la existencia del hombre.
我的作品存在于诗歌与政治之间的空间。
In a flash, all of the past away from you, the rest of the only memories.
统计学家不能推卸理清科学推断原理的责任，同样，其他任何有思考能力的人也不能逃避类似的义务。
The United States, in their expansive capacity, are capable of containing within their limits the whole population of the earth.