There are two primary choices in life: to accept conditions as they exist, or accept the responsibility for changing them.

The secret of change is to focus all of your energy, not on fighting the old, but on building the new.

Be the change that you wish to see in the world.

Intelligence is the ability to adapt to change.

You never change things by fighting the existing reality. To change something, build a new model that makes the existing model obsolete.

Appearances matter and remember to smile.

When education and resources are available to all without a price tag, there will be no limit to the human potential.

Those who cannot change their minds cannot change anything.

No matter what people tell you, words and ideas can change the world.