Luke 22:32

but I have prayed for thee, that thy faith may not fail; and when thou art converted, strengthen thy brethren.

Luke 22:43

And there appeared to Him an angel from heaven strengthening Him.

Ephesians 4:29

Let no corrupt word come out of your mouth; but what is good to useful edification, that it may benefit the hearers.

Colossians 4:6

Let your speech be always with grace, seasoned with discretion to know how ye ought to answer every one.

Hebrews 12:12

Lift up therefore the hands that hang down, and strengthen the feeble knees.

Treasury of Scripture Knowledge

Summary

Behold, thou hast instructed many, and thou hast strengthened the weak hands.

And thou hast

General references

Bible References

Behold

Ephesians 4:29
Let no corrupt word come out of your mouth; but what is good to useful edification, that it may benefit the hearers.
Colossians 4:6
Let your speech be always with grace, seasoned with discretion to know how ye ought to answer every one.

And thou hast

Luke 22:32
but I have prayed for thee, that thy faith may not fail; and when thou art converted, strengthen thy brethren.

General references

Hebrews 12:12
Lift up therefore the hands that hang down, and strengthen the feeble knees.