There is great wisdom in being able to realise that you don’t understand something before it goes too far.

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

The greatest enemy to human potential is your comfort zone

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

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. 

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

I had no time is no excuse. 1 hour is 4% of your day and 1 minute is 0.34 % of your day.

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

We learn more from failure than we do from success.

I think, therefore I am.

You cannot escape the responsibility of tomorrow by evading it today

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

Success is not final, failure is not fatal.  It is the courage to continue that counts.

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.

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