Pranayama is the fourth limb of the eight limbs of Ashtanga Yoga mentioned in verse 2.29 in the Yoga Sutras of Patanjali. Patanjali, a Hindu Rishi, discusses his specific approach to pranayama in verses 2.49 through 2.51, and devotes verses 2.52 and 2.53 to explaining the benefits of the practice.
The Communist Manifesto was first published in February 1848 in London. It was written by Marx and Engels for the Communist League, an organisation of German emigre workers living in several western European countries.
Who Was Leon Trotsky? Leon Trotsky was a Communist theorist, prolific writer, leader in the 1917 Russian Revolution, the people's commissar for foreign affairs under Lenin (1917-1918), and then head of the Red Army as the people's commissar of army and navy affairs (1918-1924).