text: In 1938, just a few years shy of an ice axe to the forehead, Trotsky wrote his polemic, Their Morals or Ours , to differentiate the morals of Stalinism from those of what Trotsky alternatively termed Leninism and Bolshevism. In his pamphlet, Trotsky claimed that the ultimate endthe end that needs no justificationis the liberation of mankind. In other words, any intermediate endany end that serves as a means to another endis justified if it leads to increasing the power of man over nature and to the abolition of the power of man over man. 2 True Marxist thought.