Hebrews 6:13-15

Young's Literal Translation

¹³ For to Abraham God, having made promise, seeing He was able to swear by no greater, did swear by Himself,

¹⁴ saying, `Blessing indeed I will bless thee, and multiplying I will multiply thee;'

¹⁵ and so, having patiently endured, he did obtain the promise;