When you arrive at your room in a hotel, locate the emergency exits. It only takes a minute.
Mathematics is not just a collection of abstract theories, but a language that describes the universe.
La palabra es el puente entre el pasado y el futuro.
The business of education is not to make the young perfect in any one of the sciences, but so to open and dispose their minds as may make them capable of any, when they shall apply themselves to it.
过去总是以我们现在的生存方式呈现着。
The very definition of the real becomes: that of which it is possible to give an equivalent reproduction.