It is not good for man to cherish a solitary ambition. Unless there be those around him, by whose example he may regulate himself, his thoughts, desires, and hopes will become extravagant, and he the semblance, perhaps the reality, of a madman
Nathaniel Hawthorne (2013). “Delphi Complete Works of Nathaniel Hawthorne (Illustrated)”, p.1640, Delphi Classics