There is something about human nature that has to be understood, and so … I've shifted my attention from an interest in unity to an interest in creat… - Jonas Salk

Good parents give their children roots and wings: roots to know where home is, and wings to fly off and practice what has been taught them.

Why do I see things differently from the way other people see them? Why do I pursue the questions that I pursue, even if others regard them as, as they say, "controversial?" Which merely means that they have a difference of opinion. They see things differently. I am interested both in nature, and in the human side of nature, and how the two can be brought together, and effectively used.

You have to develop a thick skin in life. Its not in this field only. You might think of the ideal of the scientists, the ivory tower, the idealist. That's true of some. And I wouldn't guess as to what proportion. But there are some who are of that character, and there are some who are not.