It always seems impossible until it's done.

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

Everything you want is on the other side of fear

There are no bad mistakes in maths, only discoveries.

Everything that happens was once a dream.

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

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

Tough times never last, but tough people do.

He who has begun his task is half-way done. Have the courage to begin!

Mistakes have the power to turn you into something better than you were before.

There is no elevator to success, you have to take the stairs.

The journey of a thousand miles begins with one step.

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

Life is full of opportunities. With every opportunity that is missed, another one is born.

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