I think, therefore I am.

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

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

Go as far as you can see, when you get there, you’ll be able to see further

We learn more from failure than we do from success.

Nobody said it’d be easy, they just promised it would be worth it.

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

You're not in competition with anyone but yourself. Outdo your past, not other people.

The power of reflection is the most powerful skill you’ll learn.

The greatest enemy to human potential is your comfort zone

Never underestimate the importance of small steps. small steps = big changes. 

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

Pure mathematics is in its way, the poetry of logical ideas.

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. 

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