¹³ You know that because of physical infirmity I preached the gospel to you at the first.

¹³ but you know that it was because of a bodily illness that I preached the gospel to you the first time ;

¹³ As you know, it was because of an illness that I first preached the gospel to you,

¹³ but you know that because of weakness of the flesh I preached the Good News to you the first time.