Don’t be afraid to work hard and find out how good you can really be.

You cannot escape the responsibility of tomorrow by evading it today

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

Dreams don't work unless you do.

I think, therefore I am.

Tough times never last, but tough people do.

Failure to prepare = preparing to fail

I have not failed, I've just found 10,000 ways that won't work.

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

Do Not Be Afraid To Make Mistakes. Each mistake teaches us something.

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

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

Life is full of opportunities. With every opportunity that is missed, another one is born.

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

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