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.
John Steinbeck. An accomplished American writer who won the Nobel Prize for literature and the Pulitzer Prize for his book, The Grapes of Wrath (1939), John Steinbeck wrote profoundly about the economic problems faced by the rural class during the Great Depression.