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. 

Work ethic is important, because, unlike intelligence, athleticism, or charisma, or any natural attribute, it’s a choice.

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

Your attitude is everything. Pick a good one.

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

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

No one starts out on top. You have to work your way up.

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

The greatest enemy to human potential is your comfort zone

The easiest person to deceive is yourself.

Your limitation - its only your imagination.

Failure is NOT your destiny. Failure is the key to success.

Everything you want is on the other side of fear

Focus on progress, not perfection. Practise a little bit every day - little and often  Slow and steady wins the race.

Life is full of opportunities. With every opportunity that is missed, another one is born.