Difficulties mastered are opportunities won.
Never give up on something that you can’t go a day without thinking about.
It's not whether you got knocked down; it's whether you get back up.
There are no traffic jams on the extra mile.
The only guarantee for failure is to stop trying.
Unless you puke, faint or die, keep going.
Never leave till tomorrow that which you can do today.
Victory belongs to the most persevering.
Champions keep playing until they get it right.
Talent you have naturally. Skill is only developed by hours and hours and hours of beating on your craft.
It's never crowded along the extra mile.
Persistence guarantees that results are inevitable.
Persistence is to the character of man as carbon is to steel.
The key of persistence opens all doors closed by resistance.
Flaming enthusiasm, backed by horse sense and persistence, is the quality that most frequently makes for success.
Success is the sum of small efforts, repeated day in and day out.
Let me tell you the secret that has led me to my goal: my strength lies solely in my tenacity.
Opportunities are usually disguised as hard work, so most people don’t recognize them.
What is not started today is never finished tomorrow.
All things are difficult before they are easy.