A person who is too nice an observer of the business of the crowd, like one who is too curious in observing the labor of bees, will often be stung for his curiosity."

"All seems infected that th'infected spy,
As all looks yellow to the jaundic'd eye."

"One simile, that solitary shines
In a dry desert of a thousand lines."

"To err is human, to forgive, divine."

"Trust not yourself, but your defects to know. Make use of every friend and every foe."