I think, therefore I am.

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

Mathematics Is not a spectator sport. The only way to learn mathematics is to do mathematics.

Procrastination makes easy things hard and hard things harder.

If you fail, next time fail better.

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

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

I fear not the man who has practiced 10,000 kicks once, but I fear the man who has practiced one kick 10,000 times.

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

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

You can have results or excuses, not both

In order to become better than anybody else you must first become better than yourself.

The power of reflection is the most powerful skill you’ll learn.

There are no shortcuts to any place worth going.

The journey of a thousand miles begins with one step.