Colossians 3:21

Fathers, provoke not your children, lest they be disheartened.

Ephesians 6:4

And, fathers, do not provoke your children to anger, but bring them up in the discipline and admonition of the Lord.

1 Thessalonians 2:11

as ye know how we dealt with each one of you, as a father with his own children, exhorting you, and encouraging you, and testifying,

Hebrews 12:5-11

and ye have forgotten the exhortation which, indeed, reasons with you as with sons: "My son, do not lightly regard the chastening of the Lord; neither faint, when reproved by Him;

Treasury of Scripture Knowledge

Summary

Fathers, provoke not your children to anger, lest they be discouraged.

Bible References

General references

Ephesians 6:4
And, fathers, do not provoke your children to anger, but bring them up in the discipline and admonition of the Lord.
1 Thessalonians 2:11
as ye know how we dealt with each one of you, as a father with his own children, exhorting you, and encouraging you, and testifying,
Hebrews 12:5
and ye have forgotten the exhortation which, indeed, reasons with you as with sons: "My son, do not lightly regard the chastening of the Lord; neither faint, when reproved by Him;