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

The boxer is not afraid of being knocked down, he is afraid of not being able to get up again.

Your limitation - its only your imagination.

It always seems impossible until it's done.

Work ethic is important, because, unlike intelligence, athleticism, or charisma, or any natural attribute, it’s a choice.

Hard work beats talent when talent doesn't work hard.

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

You cannot start the next chapter of your life if you keep re-reading the last one.

The road to success is like a staircase. If you want to succeed, double your failure rate

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

Don’t hang your targets after you’re done shooting.

You can be shown the path, but only you can make the first step.

Success can never happen without the journey (struggle).

Good mathematics is not about how many answers you know... It is about how you behave when you don't know.

1.00³⁶⁵=1 and 1.01³⁶⁵=37.7. Doing nothing at all versus small steps at a time.