The temptation to quit will be the greatest when you are about to succeed

Procrastination makes easy things hard and hard things harder.

Your attitude is everything. Pick a good one.

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

The wise person knows that no answer is also an answer

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

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

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

Your limitation - its only your imagination.

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

When you make a mistake, take another chance. Only when you choose not to do so do you fail.

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

It doesn’t matter where you start, it matters how you end

Shoot for the moon and even if you miss you’ll land among the stars/

You cannot escape the responsibility of tomorrow by evading it today