“Many investigators feel uneasy stating in public that the origin of life is a mystery, even though behind closed doors they admit they are baffled.”
“Wisdom requires not only the investigation of many things, but contemplation of the mystery.”
“A verbal promise behind closed doors, even a statement written on paper-these could easily evaporate . . . .”
“Everything had something behind it: life was like a long corridor with rows of closed doors.”
“I feel very adventurous. There are so many doors to be opened, and I'm not afraid to look behind them.”
“Evidence ... proves that prohibition only drives drunkenness behind closed doors and into dark places, and it does not cure it or even diminish it.”