Doubt is only known to us when it is a mental operation, but the idea of doubt is present in all grades of matter, from the beginning of manifestation to the full and complete attainment of knowledge.
Ukungabaza kwaziwa kithina kuphela uma kungukusebenza kwengqondo, kepha umqondo wokungabaza ukhona kuwo wonke amabanga endaba, kusukela ekuqaleni kokuboniswa kuze kufinyelele ekupheleleni kolwazi.