I don't see how the man can be said to have wanted to preserve the Republic since he declared war on it. The closest accurate thing was that he wanted to preserve the galaxy's people.
"There is something going on in time and space, and beyond time and space, which, whether we like it or not, spells duty." -Winston Churchill
"For of all sad words of tongue or pen, The saddest are these: 'It might have been!'" -John Whittier
"Apathy is death." -Kreia