Change means that what was before wasn't perfect. People want things to be better.

There are three constants in life... change, choice and principles.

When you jump for joy, beware that no one moves the ground from beneath your feet.

Any change, even a change for the better, is always accompanied by drawbacks and discomforts.

Change your life today. Don't gamble on the future, act now, without delay.

Be content with what you are, and wish not change nor dread your last day, nor long for it.

To improve is to change to be perfect is to change often.

Don't change on me. Don't extort me unless you intend to do it forever.

When it is not necessary to change, it is necessary not to change.

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