If the crowns of all the kingdoms of the empire were laid down at my feet in exchange for my books and my love of reading I would spurn them all. François Fénelon
Take care! Kingdoms are destroyed by bandits, houses by rats, and widows by suitors. Ihara Saikaku
Geology holds the keys of one of the kingdoms of nature; and it cannot be said that a science which extends our Knowledge, and by consequence our Power, over a third part of nature, holds a low place among intellectual employments. William Buckland
...nothing in Nature stands still; everything strives and moves forward. If we could only view the first stages of creation, how the kingdoms of nature were built one upon the other, a progression of forward-striving forces would reveal itself in all evolution. Johann Gottfried Herder
God had sifted three kingdoms to find the wheat for this planting. Henry Wadsworth Longfellow
Small islands not capable of protecting themselves are the proper objects for kingdoms to take under their care; but there is something very absurd in supposing a continent to be perpetually governed by an island. Thomas Paine