Don't fear failure, fear being in the same exact same place next year as you are now.

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

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

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

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

Practice like you’ve never won. Perform like you’ve never lost.

99% of failures come from people who have the habit of making excuses.

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

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

Time is your friend, impulse is your enemy.

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

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

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

The temptation to quit will be the greatest when you are about to succeed

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