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

It is never too late to turn an unproductive day into a productive one.

99% of failures come from people who have the habit of making excuses.

You can have results or excuses, not both

The master has failed more times than the beginner has even tried

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

Your attitude is everything. Pick a good one.

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

I have not failed, I've just found 10,000 ways that won't work.

Failure is NOT your destiny. Failure is the key to success.

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

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

Don’t practice until you get it right, practice until you can’t get it wrong.

Shoot for the moon and even if you miss you’ll land among the stars/

I can is 100 times more important than IQ.