I think, therefore I am.

Hard work beats talent when talent doesn't work hard.

The bad news is time flies, the good new is that you're the pilot.

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

Nothing is impossible if you want it badly enough. Impossible = I'm possible.

Failure to prepare = preparing to fail

I had no time is no excuse. 1 hour is 4% of your day and 1 minute is 0.34 % of your day.

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

You cannot escape the responsibility of tomorrow by evading it today

Success is a journey, not a destination.

Procrastination makes easy things hard and hard things harder.

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

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. 

The temptation to quit will be the greatest when you are about to succeed

Focus on progress, not perfection. Practise a little bit every day - little and often  Slow and steady wins the race.