Why, in the first place, I believe there is no probability that either of them will employ the power I put into their hands to my disadvantage; --I consider that honesty serves the purposes of this life: --I know their success in the world depends upon the fairness of their characters. 
Firstly, I do not believe that either of them will use the power I put into their hands to my disadvantage; I know their success in the world depends upon the fairness of their characters. 