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
They must often change, who would be constant in happiness or wisdom.
change, constant, happiness, wisdom
Change means that what was before wasn't perfect. People want things to be better.
change means, before, perfect, people, better
I can't really change my life to accommodate people who are jealous. I don't see why I should.
You are always free to change your mind and choose a different future, or a different past.
Life belongs to the living, and he who lives must be prepared for changes.
A small group of thoughtful people could change the world. Indeed, it's the only thing that ever has.