在科学管理中，最重要的元素是任务观念。
The one element which is of first importance in scientific management is the task idea.
"Books are the maps of human experience."
教育不能改变世界。教育改变人。人改变世界。
Never stop asking questions, because that's where discovery begins.
安全必须始终是我们所做一切的首要任务。
