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

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

99% of failures come from people who have the habit of making excuses.

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

The bad news is time flies, the good new is that you're the pilot.

Failure is not the opposite of success, it is part of the success.

Tomorrow is worth more than yesterday but less than today.

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

If you fail, next time fail better.

Don’t hang your targets after you’re done shooting.

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

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

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

Good mathematics is not about how many answers you know... It is about how you behave when you don't know.