Date: 1791

"His mind resembled a fertile, but thin soil. There was a quick, but not a strong vegetation, of whatever chanced to be thrown upon it. No deep root could be struck. The oak of the forest did not grow there: but the elegant shrubbery and the fragrant parterre appeared in gay succession."

— Boswell, James (1740-1795)

Date: 1791

"Your resolution to obey your father I sincerely approve; but do not accustom yourself to enchain your volatility by vows; they will sometime leave a thorn in your mind, which you will, perhaps, never be able to extract or eject."

— Boswell, James (1740-1795)

Date: 1791

"He was of opinion, that the English nation cultivated both their soil and their reason better than any other people; but admitted that the French, though not the highest, perhaps, in any department of literature, yet in every department were very high."

— Boswell, James (1740-1795)

Date: 1798

"When a man enters to it, he is not only to be taught true wisdom, but he is withal, yea, first of all, to be untaught the errors and wickedness that are deep-rooted in his mind, which he hath not only learned by the corrupt conversation of the world with him."

— Leighton, Robert (1611-1684)

Date: 1814

A "ripening mind" may be "fitted for a throne"

— Grant [née MacVicar], Anne (1755-1838)