Abstract:
The etymological combination of prefix 'upa' and root ‗ma‘ makes the origination of words
upama and upamana which means simile, comparison, analogy etc. The Pali English
dictionary composed by T.W Rhys Davids and William Stede has translated the word upama
as likeness, simile, parable and example. The upamana is translated as comparison.
Rupasiddhi mentioned that upamana means resemblance (sādissē upamanan upama). Thus
comparison of object or a thing to another object or thing is generally known as upama or
upamana .It is true to say, upamana helps us to realize, a thing that is difficult to be realized
only by mere explanation. That is why many philosophers have used similes to explain their
philosophical matters. Nyaya, Vedanta and Mimansa schools of philosophy have accepted
upamana as an independent theory of knowledge.
Tarkasangraha dipika explains that upamana is something that which causes to gain
resemblance knowledge (Upamiti Karanamupamānam). Ven. Dinnaga mentioned in
Nyayavartika that upamana is included in perception. Vaiseshika showed that upamana
contains in Anumana. Thus different philosophers have different notions regarding
acceptance of upamana as theory of knowledge. Early Buddhism has employed upamana
(comparison) to make clear the sense (upamā.......kata atthassa viññapanāya - M.I.185) and
Buddhism emphasizes that some intelligent people understand the meaning of what is said by
means of a simile (upamāya pi idha ekacce viññu purisā bhāsitassa attam jananti- A ІV 163)
But there is no evidence to prove that whether Buddha has accepted or rejected upamana as
direct personal theory of knowledge. Nevertheless Buddha has employed so many times
upamana as the way of explaining his deep philosophical matters. For example in Suttanipata
the Buddha compares the extinction of Enlighten One to going out of fire of oil lamp
(Nibbanti dhira yatayam padipo) Nibbana is above of our general knowledge. It cannot be
understood without attaining it, But above example helps to get understanding, at least the
nature of one who attains to Nibbana, In this context upamana conduces to get partial
knowledge about the nature of Enlighten One .
In Dhammapada Buddha used upama as the method of understanding the criteria of the good
and bad. Here the Buddha said ―all the beings fear punishment and death, therefore having
compared oneself, one should refrain from doing bad actions‖ (attānam upamam katva
nahaneyya naghataye). This is one of clear examples that Buddha has used upama as theory
of knowledge. Generally it is accepted that there are only two types of theories of knowledge
in Buddhism as perception (pratyaksha ) and inference (anumana). But considering all factors
my suggestion here is that early Buddhism employed upamana (comparison) as a partial
theory of knowledge.