Progress is a nice word. But change is its motivator. And change has its enemies.

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

The main dangers in this life are the people who want to change everything... or nothing.

Because things are the way they are, things will not stay the way they are.

Life belongs to the living, and he who lives must be prepared for changes.

Very often a change of self is needed more than a change of scene.

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

We all have big changes in our lives that are more or less a second chance.

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

Change the changeable, accept the unchangeable, and remove yourself from the unacceptable.