All truth passes through three stages. First, it is ridiculed.Second, it is violently opposed. Third, it is accepted as beingself-evident. (Arthur Schopenhauer)

You can only find truth with logic if you have already found truth without it. (Gilbert Keith Chesterton)

Whether you think that you can, or that you can’t, you are usually right. (Henry Ford)

Perfection is achieved, not when there is nothing more to add, but when there is nothing left to take away. (Antoine de Saint Exupery)