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

I can is 100 times more important than IQ.

There are no bad mistakes in maths, only discoveries.

It is never too late to turn an unproductive day into a productive one.

Knowledge is of no value unless you put it into practice.

Don't expect to be good at maths or understand things straight away. Be patient and persistent. The most powerful warriors are patience and time.

Procrastination makes easy things hard and hard things harder.

Just stick with it, what seems hard now will one day be your warm up.

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. 

You'll never change your life until you change something you do daily. The secret to success and change in found in your daily routine.

Work on your weaknesses until they are your strengths and work on your strengths until they are second nature.

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

Your attitude is everything. Pick a good one.

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