# Quote — Jean Jacques Rousseau, Emile; or On Education

> To know what people may find pleasant or unpleasant is not only necessary to any one who requires their help, it is still more necessary to any one who would help them; you must please them if you would do them service; and the art of writing is no idle pursuit if it is used to make men hear the truth.

- Author: [Jean Jacques Rousseau](https://www.leafyquotes.com/jean-jacques-rousseau.md)
- Book: [Emile; or On Education](https://www.leafyquotes.com/jean-jacques-rousseau/emile-or-on-education.md)
- Source: [Wikiquote](https://en.wikiquote.org/wiki/Emile,_or_On_Education#Book_IV) ([CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/))
- Quote page: https://www.leafyquotes.com/jean-jacques-rousseau/emile-or-on-education/to-know-what