Procrastination is the thief of time and the enemy of success.

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

Time is your friend, impulse is your enemy.

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

I can is 100 times more important than IQ.

The wise person knows that no answer is also an answer

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

When you make a mistake, take another chance. Only when you choose not to do so do you fail.

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

Lose an hour in the morning and you will spend all day looking for it.

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

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

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

Don’t confuse your path with your destination. Just because its stormy now doesn’t mean you are headed for failure.

Mathematics Is not a spectator sport. The only way to learn mathematics is to do mathematics.