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

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

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

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

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

The wise person knows that no answer is also an answer

It doesn’t matter where you start, it matters how you end

We learn more from failure than we do from success.

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

Hard work beats talent when talent doesn't work hard.

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

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

You can pick up a mistake and carry it as a burden,  or you can set it down as use it as a stepping stone to greatness.

If you fail, next time fail better.

Work ethic is important, because, unlike intelligence, athleticism, or charisma, or any natural attribute, it’s a choice.