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

Whenever you find yourself doubting how far you can go, just remember how far you have come.

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

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

You cannot escape the responsibility of tomorrow by evading it today

It doesn’t matter where you start, it matters how you end

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

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

Everything you want is on the other side of fear

Be strong enough to stand alone, smart enough to know when you need help, and brave enough to ask for it.

The power of reflection is the most powerful skill you’ll learn.

Hope might be a good breakfast, but it makes a very poor dinner

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

There are no shortcuts to any place worth going.

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