The need to deal with pathogens has driven the evolution of the vertebrate immune system, so it should not be surprising that experiments with infectious agents have often illuminated key elements of the underlying mechanisms.
We need some great failures. Especially we ever-successful Americans - conscious, intelligent, illuminating failures.
In order to make the novel into a polyhistorical illumination of existence, you need to master the technique of ellipsis, the art of condensation. Otherwise, you fall into the trap of endless length.
But I've always felt a need to have a life which is completely separate - at least as far as possible - from the kind of illusory lifestyle that comes with being a celebrity.
We don't need to illustrate music; music illustrates itself.
What should exist? To me, that's the most exciting question imaginable. What do we need that we don't have? How can we realize our potential?
Immature love says: 'I love you because I need you.' Mature love says 'I need you because I love you.'
Florida doesn't need an immigration law.
When 25 percent of the population believe the President should be impeached and 51 percent of the population believe in UFOs, you may or may not need a new President, but you definitely need a new population.
Trump doesn't need his own agenda if he can terrify independent voters in swing states about what would happen if the Democratic agenda is implemented.
We need to have much clearer regulations on things like corporate funding of scientific research. Things need to be made explicit which are implicit.
As we give presents at Christmas, we need to recognize that sharing our time and ourselves is such an important part of giving.
Pages on Facebook are allowed to be anonymous. That is really important. People start revolutions; we need anonymity.
The Comprehensive Nuclear Test Ban Treaty, which in 1996 set out to ban nuclear tests, is an important step, but we need to do more - and we can.
How wonderful it is that nobody need wait a single moment before starting to improve the world.
Laughter need not be cut out of anything, since it improves everything.
The people who deserve and need subsidies are those who are on average incomes and less.
Especially in technology, we need revolutionary change, not incremental change.
Women need to learn to value themselves. But that has to be inculcated in men as much as women.
For instance, we're always fighting amongst each other. Who gives us the arms? And then we become indebted to wherever we are buying them from - with what? The very resources we need to keep there.