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

Always remember that the future comes one day at a time.

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

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

If you change the way you look at things, the things you look at change.

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

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

Everything in life that we really accept undergoes a change.

Time changes everything except something within us which is always surprised by change.

Since we cannot change reality, let us change the eyes which see reality.