If you fail, next time fail better.

Hard work always pays off - it is not a question of if you will get there, but WHEN you will get there

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

The master has failed more times than the beginner has even tried

It is never too late to become what you might have been

Time is your friend, impulse is your enemy.

Twenty years from now you will be more disappointed by the things you didn’t do than the things you did do

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

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

Everything that happens was once a dream.

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

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

Everything you want is on the other side of fear

The journey of a thousand miles begins with one step. 

Don't expect to be good at maths or understand things straight away. Be patient and persistent. Rome wasn't built in a day, but they worked on it every single day.