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

The greatest glory in loving lies not in never falling, but in rising every time we fall.

Success is a journey, not a destination.

We learn more from failure than we do from success.

We all make mistakes. What matters is how we choose to move forwards from them.

I think, therefore I am.

The journey of a thousand miles begins with one step.

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

Tomorrow is worth more than yesterday but less than today.

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

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.

Everything that happens was once a dream.

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

Hard work - a two way street where you get exactly what you put in.

Skills are built not born.