I can is 100 times more important than IQ.

Dreams don't work unless you do.

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.

Failure to prepare = preparing to fail

Fall down seven times, stand up eight.

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

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

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. 

Tough times never last, but tough people do.

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

Work on your weaknesses until they are your strengths and work on your strengths until they are second nature.

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

Don't fear failure, fear being in the same exact same place next year as you are now.

Mistakes have the power to turn you into something better than you were before.

There are no bad mistakes in maths, only discoveries.