When you make a mistake, take another chance. Only when you choose not to do so do you fail.

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

Tomorrow is worth more than yesterday but less than today.

99% of genius comes from hard work, the remaining 1% comes from innate talent

The boxer is not afraid of being knocked down, he is afraid of not being able to get up again.

We all have two lives. The second begins when we realise we only have one. 

Patience is when you’re supposed to get mad, but you choose to understand

You cannot escape the responsibility of tomorrow by evading it today

Mathematics Is not a spectator sport. The only way to learn mathematics is to do mathematics.

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

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

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

No one starts out on top. You have to work your way up.

Failure is NOT your destiny. Failure is the key to success.

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