House Atreides (Prelude to Dune, #1)

by Brian Herbert

Speak the truth. That is always much easier, and is often the most powerful argument.

Imperfections, if viewed in the proper light, can be extremely valuable. The Great Schools, with their incessant questing for perfection, often find this postulate difficult to understand, until it is proven to them that nothing in the universe is random. —From The Philosophies of Old Terra, one of the recovered manuscripts

I love this reference to earth that was. It's also a great truth.