'Discipline' in the Bible

Out of the heavens He let you hear His voice to discipline and admonish you; and on earth He let you see His great fire, and you heard His words from the midst of the fire.

Know this day that I am not speaking to your children who have not known [by personal experience] and who have not seen [firsthand] the instruction and discipline of the Lord your God—His greatness, His mighty hand and His outstretched arm;