Leave all the afternoon for exercise and recreation, which are as necessary as reading. I will rather say more necessary because health is worth more than learning.

Thomas Jefferson

Self-discipline is that which, next to virtue, truly and essentially raises one man above another.

Joseph Addison

Discipline is simply the art of making the soldiers fear their officers more than the enemy.

Claude Adrien Helvetius

If you're capable of sending a legible text message between sets, you probably aren't working hard enough.

Dave Tate

The resistance that you fight physically in the gym and the resistance that you fight in life can only build a strong character.

Arnold Schwarzenegger

Football is one of the most popular sports in the country, and there are many reasons for this. You can take so much from football and apply it to life in general. Just some of those things are goal-setting, preparation, teamwork, perseverance and discipline.

Philip Rivers