In an agreement for submission to arbitration, “difference” meansdisagreement or dispute. Fravert v. F’esler, 11 Colo. App. 387, 53 Pac. 288; PioneerMfg. Co. v. Phcenix Assur. Co., 106 N. C. 28, 10 S. E. 1057.Difficile est nt unus homo vie em duorum sustineat. 4 Coke, 118. It is difficult thatone man should sustain the place of two.