Your attitude is everything. Pick a good one.

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

Don’t compare yourself to others. Compare yourself to the person you were yesterday.

Do what you have always done and you will always be what you have always been

Learn To Step Outside Of Your Comfort Zone. Outside your comfort zone is where the magic happens

Your limitation - its only your imagination.

There is no talent here. There is hard work and obsession. You could be anyone if you put in the time.

The gift of imperfection - let go of who you think you're supposed to be and embrace who you are.

Don’t be afraid to work hard and find out how good you can really be.

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

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

Yesterday is history, tomorrow is a mystery, but today is a gift—that's why it's called 'the present

It is never too late to become what you might have been

Don't fear failure, fear being in the same exact same place next year as you are now.

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