You need not turn boiled rice over; one grain of it makes its nature clear. The flamingo can separate milk and water with the very tip of its beak. Adversity turns a coat into a cloak by making rags of it; even so, says Tuka, a grain of corn can be distinguished from the husk; what trouble will this give?
Hinduism
Tukaram, Poem 2568
Source The Poems of Tukârâma, trad. J. Nelson Fraser et K. B. Marathe, 3 vol., 1909-1915, archive.org · Contents