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

I think, therefore I am.

He who has begun his task is half-way done. Have the courage to begin!

You can have results or excuses, not both

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. 

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

Go as far as you can see, when you get there, you’ll be able to see further

Your limitation - its only your imagination.

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

The journey of a thousand miles begins with one step. 

FAIL - First Attempt In Learning

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

Everything that happens was once a dream.

Failure to prepare = preparing to fail

The greatest mistake we make is living in constant fear that we will make one.