Romans 4:20-22

KJV_Strongs(i)
  20 G1161   G1252 He staggered [G5681]   G3756 not G1519 at G1860 the promise G2316 of God G570 through unbelief G235 ; but G1743 was strong [G5681]   G4102 in faith G1325 , giving [G5631]   G1391 glory G2316 to God;
  21 G2532 And G4135 being fully persuaded [G5685]   G3754 that G3739 , what G1861 he had promised [G5766]   G2076 , he was [G5748]   G1415 able G2532 also G4160 to perform [G5658]  .
  22 G2532 And G1352 therefore G3049 it was imputed [G5681]   G846 to him G1519 for G1343 righteousness.