When it is not necessary to change
I can't really change my life to accommodate people who are jealous. I don't see why I should.
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
Be content with what you are, and wish not change nor dread your last day, nor long for it.
CHANGE, BE CONTENT WITH WHAT ARE YOU
Change your opinions, keep to your principles change your leaves, keep intact your roots.