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

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

Failure to prepare = preparing to fail

Skills are built not born.

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

When you make a mistake, take another chance. Only when you choose not to do so do you fail.

Time is your friend, impulse is your enemy.

Knowledge is of no value unless you put it into practice.

Failure is NOT your destiny. Failure is the key to success.

You cannot start the next chapter of your life if you keep re-reading the last one.

I think, therefore I am.

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

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

Patience is when you’re supposed to get mad, but you choose to understand

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