差之毫厘，失之千里

Explanation: Although the difference between the very small beginning, the result will cause great error. 　　Source: "Book of Rites by the solution": "" easy ", saying: 'Gentlemen Shen Shi, and poor if the least bit, Miao as a mile.'" "Wei Music": "But the gas has Yingxu, millet have big and small, the difference the least bit a mile. " 　　Examples: ~, One with less than full plate from the beginning. ★ "Jen pear" Twelfth Back Thesaurus:  Difference of the mm tail Err The winged steed