There is great wisdom in being able to realise that you don’t understand something before it goes too far.

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

Don’t hang your targets after you’re done shooting.

The journey of a thousand miles begins with one step. 

Instead of finding reasons why you can't, find reasons why you can.

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

Twenty years from now you will be more disappointed by the things you didn’t do than the things you did do

Yesterday is history, tomorrow is a mystery, but today is a gift—that's why it's called 'the present

In order to become better than anybody else you must first become better than yourself.

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

The easiest person to deceive is yourself.

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.

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

Hard work - a two way street where you get exactly what you put in.