“The general public has long been divided into two parts; those who think that science can do anything and those who are afraid it will.”

“Mankind is divided into two basic sorts: those who find the unknown future threatening ... and those who find it thrilling. The rupture between those two sides has been responsible for most of the bloodshed in history.”

“Women are divided into two categories: those who can deal with the men they are in love with, and those who cannot. Sophia was one of those who can.”

“You, who are so observant, will no doubt concede the generalization that people divide into two large classes, those who live mainly in hope and those who live mainly in recollection.”

“Only those who have never known fear are allowed to think less of others for being afraid. Frankly, I think anyone who has never been afraid of anything in their entire life is either a liar or lacks imagination.”

“Karaoke divides humanity into two groups: those who don’t want to sing and shouldn’t be compelled, and those who do and shouldn’t be allowed.”