I think, therefore I am.

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

You cannot escape the responsibility of tomorrow by evading it today

Success is a journey, not a destination.

You'll never change your life until you change something you do daily. The secret to success and change in found in your daily routine.

Mistakes have the power to turn you into something better than you were before.

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

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

Never let a dark chapter make you forget that better days are ahead of you. Your story is far from over.

Fall down seven times, stand up eight.

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

The bad news is time flies, the good new is that you're the pilot.

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

The journey of a thousand miles begins with one step. 

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