One must change one's tactics every ten years if one wishes to maintain one's superiority.
one must change, tactics, ten years, wishes, maintain
The spirit of democracy is not a mechanical thing to be adjusted by abolition of forms. It requires change of heart.
They must often change, who would be constant in happiness or wisdom.
change, constant, happiness, wisdom
If you change the way you look at things, the things you look at change.
CHANGE, IF YOU CHANGE THE WAY YOU LOOK AT THINGS
Change means that what was before wasn't perfect. People want things to be better.
CHANGE, CHANGE MEANS THAT WAS BEFORE WASN'T PERFECT
You are always free to change your mind and choose a different future, or a different past.