99% of failures come from people who have the habit of making excuses.

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

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

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

The gift of imperfection - let go of who you think you're supposed to be and embrace who you are.

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

If you can understand just one thing thoroughly, then you will understand everything.

We learn more from failure than we do from success.

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

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

The easiest person to deceive is yourself.

Don’t compare yourself to others. Compare yourself to the person you were yesterday.

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

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. 

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