“The price of excellence is discipline. The cost of mediocrity is disappointment.”- William Arthur Ward
“A disciplined mind leads to happiness, and an undisciplined mind leads to suffering.” – Dalai Lama
“Success doesn’t just happen. You have to be intentional about it, and that takes discipline.” – John C. Maxwell
“True freedom is impossible without a mind made free by discipline.” – Mortimer J. Adler
“If I want to be great I have to win the victory over myself…self-discipline.” – Harry S. Truman
