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

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

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

Work ethic is important, because, unlike intelligence, athleticism, or charisma, or any natural attribute, it’s a choice.

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

Procrastination is the thief of time and the enemy of success.

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

The journey of a thousand miles begins with one step. 

The road to success is like a staircase. If you want to succeed, double your failure rate

No one starts out on top. You have to work your way up.

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

It always seems impossible until it's done.

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

Be strong enough to stand alone, smart enough to know when you need help, and brave enough to ask for it.

If you want to succeed, double your failure rate.