Nothing is impossible if you want it badly enough. Impossible = I'm possible.

Each day is an opportunity to improve. Aim to be that little bit better than yesterday and better tomorrow than today.

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

The greatest enemy to human potential is your comfort zone

It is never too late to become what you might have been

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

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

A hero is no braver than an ordinary man, but he is braver five minutes longer.

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. 

The easiest person to deceive is yourself.

Life is full of opportunities. With every opportunity that is missed, another one is born.

Run in the morning before your body figures out what you're doing

Tough times never last, but tough people do.

The bad news is time flies, the good new is that you're the pilot.

The wise person knows that no answer is also an answer