If you can understand just one thing thoroughly, then you will understand everything.

Whenever you find yourself doubting how far you can go, just remember how far you have come.

Dreams don't work unless you do.

Nothing is impossible if you want it badly enough. Impossible = I'm possible.

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

Success is the sum of small repeated efforts, day in and day out.

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

There are no shortcuts to any place worth going.

If you want to succeed, double your failure rate.

Failure is not the opposite of success, it is part of the success.

A book a day keeps the stupidity away.

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

The journey of a thousand miles begins with one step. 

The road to success is like a staircase. If you want to succeed, double your failure rate

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