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 cannot escape the responsibility of tomorrow by evading it today

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

It is never too late to turn an unproductive day into a productive one.

The easiest person to deceive is yourself.

99% of genius comes from hard work, the remaining 1% comes from innate talent

Don’t be afraid to work hard and find out how good you can really be.

Procrastination makes easy things hard and hard things harder.

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

You can hire a tutor but you can't hire someone to practice for you.

There are no shortcuts to any place worth going.

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

Never underestimate the importance of small steps. small steps = big changes. 

The journey of a thousand miles begins with one step.

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