That is the essence of science: ask an impertinent question, and you are on the way to a pertinent answer.
Knowledge is an unending adventure at the edge of uncertainty.
No science is immune to the infection of politics and the corruption of power.
The most wonderful discovery made by scientists is science itself.
Has there ever been a society which has died of dissent? Several have died of conformity in our lifetime.
Every animal leaves traces of what it was man alone leaves traces of what he created.