Source: Philosophy of Education, p. 88.
“I have after years of thinking on the subject come to the conviction that work is the only instrument of effective education. It may sometimes be manual work, at others, non-manual work.”
            In p. 14. 
Uniqueness of Zakir Husain and His Contributions (1997)
        
Help us to complete the source, original and additional information
Zakir Hussain (politician) 43
3rd President of India 1897–1969Related quotes
C QA Community Event with Bjarne Stroustrup, 2014-08-27 https://www.youtube.com/watch?v=jDqQudbtuqo,
Source: Aphorisms and Reflections (1901), p. 116
Jacob Leupold, quoted in: Biography of Jacob Leupold (1674–1727) http://history-computer.com/People/LeupoldBio.html on history-computer.com, 2013
                                        
                                        Discourse no. 4; vol. 1, p. 94. 
Discourses on Art
                                    
                                        
                                        Source: Why We Fail as Christians (1919), p. 37 
Context: Hard manual labor revealed many things to Tolstoy. As soon as he began to do regular physical work the greater part of his luxurious habits and wants, which were so numerous when he had been physically idle, disappeared.
                                    
Source: Principles of industrial organization, 1913, p. 48