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

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

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

A small group of thoughtful people could change the world. Indeed, it's the only thing that ever has.

For changes to be of any true value, they've got to be lasting and consistent.

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

He who rejects change is the architect of decay. The only human institution which rejects progress is the cemetery.

If you want to make enemies, try to change something.

The spirit of democracy is not a mechanical thing to be adjusted by abolition of forms. It requires change of heart.

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