There is nothing permanent except change.

The greatest discovery of all time is that a person can change his future by merely changing his attitude.

All change is not growth, as all movement is not forward.

Never believe that a few caring people can't change the world. For, indeed, that's all who ever have.

It's the most unhappy people who most fear change.

They must often change, who would be constant in happiness or wisdom.

All things must change to something new, to something strange.

One must change one's tactics every ten years if one wishes to maintain one's superiority.

In order to change the world, you have to get your head together first.

A heart well prepared for adversity in bad times hopes, and in good times fears for a change in fortune.