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

If you fail, next time fail better.

A book a day keeps the stupidity away.

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. 

If you want to succeed, double your failure rate.

Don't expect to be good at maths or understand things straight away. Be patient and persistent. The most powerful warriors are patience and time.

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

Everything that happens was once a dream.

There are no shortcuts to any place worth going.

Practice makes comfort. Expand your experiences regularly so every stretch won't feel like your first.

Hope might be a good breakfast, but it makes a very poor dinner

If you really want something you’ll find a way. If you don’t you’ll find an excuse.

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

Yesterday is history, tomorrow is a mystery, but today is a gift—that's why it's called 'the present

Don’t compare yourself to others. Compare yourself to the person you were yesterday.