If you can understand just one thing thoroughly, then you will understand everything.

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

Do Not Be Afraid To Make Mistakes. Each mistake teaches us something.

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

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

There are no bad mistakes in maths, only discoveries.

Your attitude is everything. Pick a good one.

Try and do one thing each day that you would really rather not do.

Don’t be afraid to work hard and find out how good you can really be.

I have not failed, I've just found 10,000 ways that won't work.

If you want to succeed, double your failure rate.

Practice like you’ve never won. Perform like you’ve never lost.

Procrastination makes easy things hard and hard things harder.

Fall down seven times, stand up eight.

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