"La imaginación es la única arma en la guerra contra la realidad."
永远不要在质量上妥协;它是与客户建立信任的基础。
The hepatitis C virus was a hidden enemy, but every hidden enemy can be found with the right tools and determination.
There are some things so serious you have to laugh at them.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.