Don't be afraid to take an unfamiliar path.  Sometimes they're the ones that lead you to the best places.

The temptation to quit will be the greatest when you are about to succeed

Whenever you find yourself doubting how far you can go, just remember how far you have come.

Run in the morning before your body figures out what you're doing

You can have results or excuses, not both

When you make a mistake, take another chance. Only when you choose not to do so do you fail.

The greatest enemy to human potential is your comfort zone

Success is a journey, not a destination.

Success can never happen without the journey (struggle).

Tough times never last, but tough people do.

Pure mathematics is in its way, the poetry of logical ideas.

You're not in competition with anyone but yourself. Outdo your past, not other people.

Success is not final, failure is not fatal.  It is the courage to continue that counts.

Everything that happens was once a dream.

You'll never change your life until you change something you do daily. The secret to success and change in found in your daily routine.