Your attitude is everything. Pick a good one.

We learn more from failure than we do from success.

The greatest enemy to human potential is your comfort zone

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

It always seems impossible until it's done.

You can hire a tutor but you can't hire someone to practice for you.

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

Tough times never last, but tough people do.

Try and do one thing each day that you would really rather not do.

Don't put off until tomorrow what you can do today. If today you have no time, it means tomorrow you'll be too tired and the next day you'll be something else.

Start, struggle, fail, fix and learn. Repeat.

Dreams don't work unless you do.

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

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

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