Procrastination makes easy things hard and hard things harder.

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

There are no bad mistakes in maths, only discoveries.

The greatest mistake we make is living in constant fear that we will make one.

Hard work - a two way street where you get exactly what you put in.

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

Hard work beats talent when talent doesn't work hard.

1.00³⁶⁵=1 and 1.01³⁶⁵=37.7. Doing nothing at all versus small steps at a time. 

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

Don't be afraid to take an unfamiliar path.  Sometimes they're the ones that lead you to the best places.

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.

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

It is never too late to turn an unproductive day into a productive one.

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

You can have results or excuses, not both