People like to have their own way. does not restate the key idea.
Animals are required to adjust their living patterns to their environment. does restate the key idea.
People often find it necessary to make adjustments in their lives because others won't. does restate the key idea.
We should treat others like we would want to be treated.
does not restate the key idea.
Some people refuse to change. does not restate the key idea.
Others' refusal to change for us may mean that we must change for them. does restate the key idea.
Others' failure to change provides the basis for our own refusal to change. does not restate the key idea.
Sometimes we need to stay the same, even when others change.
does not restate the key idea.
Insisting that others adjust to us will prevent us from having to adjust to others. does not restate the key idea.
If we don't agree with others, we should act as though we do.
does not restate the key idea.
These all seem self explainitory for the most part.