Dwayne 'The Rock' Johnson says his dad taught him to give every 'ounce of effort you can'

12:58pm PST - January 16th, 2020    rocky johnson - CNBC

Dwayne 'The Rock' Johnson said his famous father taught him at an early age to give every 'ounce of effort you can' and that helped him succeed. Rocky Johnson died at 75 this week.