Sustainability isn't an option; it's our responsibility to future generations.
几个世纪以来,印第安人发展了手语来传达人们感兴趣的现象。来自不同部落(FORTRAN,LISP,ALGOL,SNOBOL等)的程序员可以使用不需要他们在小马上扛黑板的程序员。
数学的乐趣在于发现的旅程,而不仅仅是目的地。
Quality starts from the seed; only the best can grow into the finest fruits.