Whenever you find yourself doubting how far you can go, just remember how far you have come.

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

Hope might be a good breakfast, but it makes a very poor dinner

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

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

The easiest person to deceive is yourself.

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

Don't put off until tomorrow what you can do today. If today you have no time, it means tomorrow you'll be too tired and the next day you'll be something else.

Try and do one thing each day that you would really rather not do.

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

Don’t confuse your path with your destination. Just because its stormy now doesn’t mean you are headed for failure.

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

Do what you have always done and you will always be what you have always been

There are no shortcuts to any place worth going.