The best way to predict your future is to create it.
所谓道德抑或不道德的书是不存在的。书就只有分写得好、写得差,仅此而已。
The process of grouping, of organization, is not arbitrary but follows definite laws.
The one element which is of first importance in scientific management is the task idea.
The most important thing is to never stop dreaming.