'Braced' in the Bible

Then Samson grabbed the two middle pillars upon which the house rested and braced himself against them with one pillar in his right hand and the other in his left.

Your words have steadied the one who was stumblingand braced the knees that were buckling.

[For my hope is] that their hearts may be encouraged as they are knit together in [unselfish] love, so that they may have all the riches that come from the full assurance of understanding [the joy of salvation], resulting in a true [and more intimate] knowledge of the mystery of God, that is, Christ,