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.

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

Twenty years from now you will be more disappointed by the things you didn’t do than the things you did do

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

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

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

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

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

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

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

Don't expect to be good at maths or understand things straight away. Be patient and persistent. Rome wasn't built in a day, but they worked on it every single day. 

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

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

Success can never happen without the journey (struggle).

The road to success is like a staircase. If you want to succeed, double your failure rate