Do Not Be Afraid To Make Mistakes. Each mistake teaches us something.

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

In order to become better than anybody else you must first become better than yourself.

Your attitude is everything. Pick a good one.

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

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

No matter how bad it gets, you’re still way ahead of those who haven’t even started.

You can have results or excuses, not both

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

You can pick up a mistake and carry it as a burden,  or you can set it down as use it as a stepping stone to greatness.

Knowledge is of no value unless you put it into practice.

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

Pure mathematics is in its way, the poetry of logical ideas.

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

Time is your friend, impulse is your enemy.