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. 

There is no elevator to success, you have to take the stairs.

Fall down seven times, stand up eight.

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

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

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

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

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

Start, struggle, fail, fix and learn. Repeat.

Don't fear failure, fear being in the same exact same place next year as you are now.

The greatest glory in loving lies not in never falling, but in rising every time we fall.

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

You cannot start the next chapter of your life if you keep re-reading the last one.

The master has failed more times than the beginner has even tried

Time is your friend, impulse is your enemy.