Personal Discipline: What Is It and How To Create One

The Science of Self-Discipline: The Willpower, Mental Toughness, and Self-Control to Resist Temptation and Achieve Your Goals (Live a Disciplined Life Book 1)
amazon.com

How you spend every day is how you spend your life.
Ideopunk • 100 Tips for a Better Life
Discipline is superior to motivation. The former can be trained, the latter is fleeting. You won’t be able to accomplish great things if you’re only relying on motivation.
lesswrong.com • 100 Tips for a Better Life
His position was: dreams are built on discipline; discipline is built on habits; habits are built on training. And training takes place in every single second