improve, perfect, change
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 means, before, perfect, people, better
The main dangers in this life are the people who want to change everything... or nothing.
CHANGE, THE MAIN DANGERS IN THIS LIFE
Any change, even a change for the better, is always accompanied by drawbacks and discomforts.