Soldiers are the foundation of an army; unless they are imbued with a progressive political spirit, and unless such a spirit is fostered through progressive political work, it will be impossible to achieve genuine unity between officers and men, impossible to arouse their enthusiasm for the War of Resistance to the full, and impossible to provide an excellent basis for the most effective use of all our technical equipment and tactics.

Selected Works of Mao Tse-Tung (ed. Pergamon, 1965) - ISBN: 9780080229812