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

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

You're not in competition with anyone but yourself. Outdo your past, not other people.

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

Work like you don't need the money, dance like nobody's watching and love like you've never been hurt. 

Practice like you’ve never won. Perform like you’ve never lost.

If you fail, next time fail better.

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

Don't be afraid to take an unfamiliar path.  Sometimes they're the ones that lead you to the best places.

Skills are built not born.

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

The gift of imperfection - let go of who you think you're supposed to be and embrace who you are.

I think, therefore I am.

Everything that happens was once a dream.

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