It always seems impossible until it's done.

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

Success is a journey, not a destination.

Procrastination makes easy things hard and hard things harder.

Don't be afraid to take an unfamiliar path.  Sometimes they're the ones that lead you to the best places.

A hero is no braver than an ordinary man, but he is braver five minutes longer.

I can is 100 times more important than IQ.

The journey of a thousand miles begins with one step.

The road to success is like a staircase. If you want to succeed, double your failure rate

It doesn’t matter where you start, it matters how you end

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. 

The greatest enemy to human potential is your comfort zone

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

There are no bad mistakes in maths, only discoveries.

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