Samu refers to work that is done to promote mindfulness, such as chopping wood or sweeping floors. Samu is popular in Zen monasteries.

Mindfulness means accepting reality just as it is. Samu is a means of finding Buddha-nature

Buddha-nature

Buddha-nature, Buddha-dhatu or Buddha Principle , is taught differently in various Mahayana Buddhism traditions. Broadly speaking Buddha-nature is concerned with ascertaining what allows sentient beings to become Buddhas...

 in everyday life, that reality has ever been pure from the very beginning, which was the central idea behind a popular movement in Japan, where Zen is commonly practiced today, called, 'Primordial Enlightenment'.

See also

• Zen
  Zen
  Zen is a school of Mahāyāna Buddhism founded by the Buddhist monk Bodhidharma. The word Zen is from the Japanese pronunciation of the Chinese word Chán , which in turn is derived from the Sanskrit word dhyāna, which can be approximately translated as "meditation" or "meditative state."Zen...
  
   - a school within Buddhism
  Buddhism
  Buddhism is a religion and philosophy encompassing a variety of traditions, beliefs and practices, largely based on teachings attributed to Siddhartha Gautama, commonly known as the Buddha . The Buddha lived and taught in the northeastern Indian subcontinent some time between the 6th and 4th...
  
  
• Thich Nhat Hanh - a monk who teaches on the topic of mindfulness
• Nondualism
  Nondualism
  Nondualism is a term used to denote affinity, or unity, rather than duality or separateness or multiplicity. In reference to the universe it may be used to denote the idea that things appear distinct while not being separate. The term "nondual" can refer to a belief, condition, theory, practice,...
  
  - a philosophy about mindfulness, meaning 'neither this nor that'