The known is finite, the unknown infinite; intellectually we stand on an islet in the midst of an illimitable ocean of inexplicability.  
The study of mathematics is the indispensable basis for all intellectual and spiritual progress.
如果农民不信任,最先进的技术也毫无用处。
过去从未死去,它甚至还未过去。
The quality of an organization is determined by the quality of its processes.