“The human organism is built for tension and relaxation, work and sleep. The principle of life is rhythm.”

“It is astounding to me, and achingly sad, that with eighty thousand people on the waiting list for donated hearts and livers and kidneys, with sixteen a day dying there on that list, that more then...”

“As when astronaut Mike Mulhane was asked by a NASA psychiatrist what epitaph he'd like to have on his gravestone, Mulhane answered, "A loving husband and devoted father," though in reality, he joke...”

“People are messy, unpredictable things.”

“We are biology. We are reminded of this at the beginning and the end, at birth and at death. In between we do what we can to forget.”

“Many people will find this book disrespectful. There is nothing amusing about being dead, they will say. Ah, but there is.”

“In all things in this life, we are told "It's okay if you don't make it the first time!", "It's fine if you don't get it right the first time, just try again and again!" We are told this in learnin...”

“If only there were a dogma to believe in. Everything is contradictory, everything is tangential; there are no certainties anywhere. Everything can be interpreted one way and then again interpreted ...”

“From the beginning men used God to justify the unjustifiable.”

“You can't buy the love you want, you can't sell your love. Love is given by those who deserves it.”

“Facts are like cows. If you look them in the face long enough, they generally run away.”

“The truth is more important than the facts.”

“I do not know what I may appear to the world, but to myself I seem to have been only like a boy playing on the sea-shore, and diverting myself in now and then finding a smoother pebble or a prettie...”

“To know the history of science is to recognize the mortality of any claim to universal truth. ”

“The scientist only imposes two things, namely truth and sincerity, imposes them upon himself and upon other scientists.”