You're not in competition with anyone but yourself. Outdo your past, not other people.

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.

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

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

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

The greatest enemy to human potential is your comfort zone

Nobody said it’d be easy, they just promised it would be worth it.

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

Don't expect to be good at maths or understand things straight away. Be patient and persistent. The most powerful warriors are patience and time.

Just stick with it, what seems hard now will one day be your warm up.

You cannot start the next chapter of your life if you keep re-reading the last one.

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

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

It is never too late to become what you might have been

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