Just stick with it, what seems hard now will one day be your warm up.

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

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

The greatest glory in loving lies not in never falling, but in rising every time we fall.

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

I have not failed, I've just found 10,000 ways that won't work.

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

There is no elevator to success, you have to take the stairs.

I can is 100 times more important than IQ.

The greatest enemy to human potential is your comfort zone

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

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

A book a day keeps the stupidity away.

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

Skills are built not born.