“There have been two great revelations in my life: The first was bepop, the second was homeopathy.”

“We humans have two great problems: the first is knowing when to begin; the second is knowing when to stop.”

“The inspector ate only two of my tiny sandwiches: the first because he hadn't expected it to taste so awful; the second, I think, because he'd thought surely the first must have been a mistake.”

“There are two things in life you cannot choose. The first is your enemies; the second your family. Sometimes the difference between them is hard to see, but in the end time will show you that the cards you have been dealt could always have been worse.”

“Don't ever confuse the two, your life and your work. That's what I have to say. The second is only a part of the first.”

“‎"There are two ways to do great mathematics. The first is to be smarter than everybody else. The second way is to be stupider than everybody else -- but persistent.”