make enemies, change something, change
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.
change, true value, consistent
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
Change means that what was before wasn't perfect. People want things to be better.
CHANGE, CHANGE MEANS THAT WAS BEFORE WASN'T PERFECT
They must often change, who would be constant in happiness or wisdom.
change, constant, happiness, wisdom